NED CHEMISTRY PRACTICE HANDOUT

1. Which one of the following is the strongest acid?

A) HCl
C) HF
B) HBr
D) HI
2. The most electronegative element is

A) F
C) Br
B) I
D) Na
3. Marsh gas is

A) CH4
C) CH3Cl
B) C2H6
D) C2H4

4. Substances which have the same molecular formula but different structural
formulas are called

A) Isotopes
C) Isomorphs
B) Isomers
D) Isobars

5. A solution has 1 × 10−5 proton concentration per liter. What is the pH of the
solution?

A) 2
C) 3
B) 4
D) 5
6. Which one is a polar molecule?

A) H2O
C) CH4
B) F2
D) CO2
7. The general formula of aldehydes is

A) RCHO
C) RCOR
B) RCOOH
D) ROH

8. When the volume and pressure of a given mass of gas are inversely proportional to
each other at constant temperature, this law is called

A) Charles’ Law
C) Avogadro’s Law
B) Boyle’s Law
D) Graham’s Law
1
9. The rate of a reaction is affected by the following factors except

2
 A) Surface tension C) Surface area
B) Concentration of reactants D) Temperature

10. How many ml of 0.5MH2SO4 reacts with 20ml of 0.5MNaOH?

A) 20ml
C) 5ml
B) 10ml
D) 1ml

11. Two gases A and B have density 0.065 and 1.04 respectively. The ratio of the rate
of diffusion of gases is

A) 5 : 1
C) 4 : 1
B) 3 : 1
D) 1 : 4

12. Solubility product is represented by

A) Ksp
C) Kc
B) Ke
D) Kp

13. Water gas is

A) H2 + CO2
C) H2O + CO
B) H2 + CO
D) H2 + CO3

14. The product of Wurtz’s reaction 2CH3I + 2Na → is

A) C2H6
C) C3H8
B) CH3 − CH3
D) C6H14
15. The molecular formula of xylene is

A) C6H5 − CH3
C) C5H3 − (CH3)2
B) C6H4(CH3)2
D) C6H5C2H5
16. Sucrose is formed by

A) Glucose + fructose
C) Glucose + galactose
B) Glucose + glucose
D) Galactose + fructose

17. When salt and water are formed by a chemical reaction, this reaction is called

A) Reduction
B) Oxidation 18. The Al3+ ion has

3
C) Neutralization
D) Hydrolysis

4
 A) 10 electrons C) 12 electrons
B) 13 electrons D) 11 electrons

19. What is the color of methyl orange indicator?

A) Orange
C) Yellow
B) Orange-red
D) Red

20. What volume will a 400ml sample of gas at 760 torr occupy when the pressure is
changed to 2 atm?

A) 100ml
C) 1520ml
B) 869ml
D) 200ml

21. Which one of the following food groups provides the maximum energy to the body
per day?

A) Carbohydrates
C) Proteins
B) Fats
D) Vitamins
22. Which one belongs to the alkane family?

A) CH4
C) C5H12
B) C2H6
D) All of these
23. A coordinate covalent bond is present in

A) HF+
C) NaH
B) H2S
D) NH4+

24. The number of significant figures in 807.30 is

A) 5
B) 3 27. Alcohols are miscible in water
because of
25. A line spectrum is obtained from

A) Atoms
B) Ions

26. NaHCO3 is also called

A) Baking soda
B) Washing soda
5
C) 2
D) 4

C) Molecules
D) Solids

C) Caustic soda
D) Soda ash

6
 A) Hydrogen bonding C) Covalent bonding
B) Dipole-dipole forces D) Ionic bonding

28. The addition of HCN to formaldehyde is an example of which reaction?

A) Electrophilic addition
C) Nucleophilic addition
B) Electrophilic substitution
D) Nucleophilic substitution

29. Organic compounds are soluble in all of these except

A) Ester
C) Petroleum
B) Benzene
D) Water

30. A reaction is said to be in equilibrium when

A) Concentrations of reactants and

C) Temperature of opposing reactions
products become equal
becomes equal
B) Rate of forward and backward re-
actions become equal
D) Opposing reactions stop occurring

31. Greater intermolecular forces result in

A) Lower vapor pressure

C) May be lower or greater vapor
pres- sure
B) Greater vapor pressure
D) No effect on vapor pressure

32. Vitamin B2 is also called

A) Thiamine
C) Nicotinic acid
B) Riboflavin
D) Pyridoxine

33. Which of the following has the greatest oxidizing nature?

A) Cl2
C) I2
B) Br2
D) F2

34. Ligands are

A) Electron pair acceptors

C) Neutral
B) Electron pair donors
D) None of these

35. Which of the following has the greatest tendency to lose electrons?

A) Li B) K
7
C) F
D) Cl

8
36. A covalent bond is different because

A) It is unsaturated C) It is formed by mutual sharing

B) It is directional D) All of these

37. A primary alkyl halide is one in which the halogen is attached to a carbon atom
that is further attached to

A) Only one carbon atom

C) One or no carbon atom
B) More than one carbon atom
D) None of these

38. The rate equation is R = K[A][B]. If the concentration of both reactants doubles,
the rate will

A) Increase two times

C) Remain unchanged
B) Increase four times
D) Increase three times

39. Which pair of elements shows similar properties?

A) Li and K
C) Be and Na
B) Mg and Se
D) Cl and Sb

40. Interstitial hydrides are called

A) Stoichiometric hydrides
C) Borderline hydrides
B) Metallic hydrides
D) Complex hydrides

41. Isopropyl alcohol is oxidized to form

A) Aldehyde
C) Ketone
B) Carboxylic acid
D) Ester

42. Glass containing CuO gives the color

A) Light blue
C) Green
B) Dark blue
D) Red

43. Bayer’s method is used in the purification of bauxite ore when

A) Bauxite ore contains excess SiO2

C) Bauxite ore contains equal
amounts of SiO2 and Fe2O3
B) Bauxite ore contains excess Fe2O3
D) Bauxite ore contains only Fe2O3

44. Nitric acid in acidic medium shows the nature of

9
 A) Oxidizing agent C) Reducing agent
B) Nitrating agent D) Acidic agent

45. Benzene shows saturated nature due to

A) Alternating double bonds C) Delocalized π-electrons

D) Each carbon attached only to hy-
B) Cyclic structure
drogen

46. Ions, when an ionic compound is dissolved in water, can best be described as

A) Hydrated molecules
C) Both a and b
D) Neither hydrated ions nor
B) Hydrated ions
molecules

47. Water molecules undergo a chemical reaction called

A) Hydrolysis
C) Condensation
B) Hydration
D) Both a and b

48. Grignard’s reagent is active due to the presence of

A) R −
C) R − X
Mg
D) Both a and b
B) Mg − X

49. Hydrogen is produced on a large scale by reaction with

A) Natural gas
C) Water
B) Ammonia
D) All of these

50. Increasing these will increase the effective collision

A) Temperature
C) Exposed surface area
B) Concentration
D) All of these

51. Hydrogen is a very good

A) Oxidizing agent
C) Both a and b
B) Reducing agent
D) None of these

52. The bonding common between NaOH and NH4OH is

A) Ionic B) Covalent
10
C) Dative
D) Both a
and b

11
53. Muslim scientists tried to prepare gold from other metals like Cu, Pt, etc. by

A) Melting
C) Smelting
B) Roasting
D) Refining

54. Most non-metallic compounds in the periodic table are found on which side?

A) Uppermost right
C) Uppermost left
B) Lower right
D) Lower left

55. Which compound forms a polar covalent bond?

A) NaCl
C) K3N
B) NH3
D) CS2

56. Hess’s law states that

A) The net heat change in a chemical

C) The net internal energy in a chem-
reaction is the same whether it oc-
ical reaction is the same whether it
curs in one or several steps
occurs in one or several steps
B) The net heat change in a chemical
reaction is the same regardless of
D) It describes whether a reaction is
the method
endothermic or exothermic

57. Benzene undergoes

A) Nucleophilic addition
C) Electrophilic substitution
B) Nucleophilic substitution
D) Elimination

58. Kipp’s method is used for the preparation of

A) HNO3
C) H2SO4
B) H2S
D) HClO4

59. The rate of reaction is independent of concentration when the reaction is

A) First order
C) Zero order
B) Second order
D) Third order

60. How many isomers of C6H14 are there?

A) 6
C) 4
B) 7
D) 5

12
61. Which ion has the minimum hydration energy?

13
 A) Li+ C) K+
+
B) Na D) Mg2+

62. Gallium belongs to which group?

A) VI-A C) IV-A
B) III-A D) V-A

63. Which group is inactive?

A) VII-A C) IV-A
B) VIII-A D) V-A

64. No two electrons have the same set of four quantum numbers. This is

A) Pauli’s Exclusion Principle

C) Aufbau Principle
B) Hund’s Rule
D) Heisenberg’s Uncertainty Principle

65. 16g of O2 contains

A) 3.01 × 1023 molecules

C) 3.01 × 1022 molecules
23
B) 6.02 × 10 molecules
D) 1.5 × 1023 molecules
66. Which statement is true?

A) H = E + PV
C) H = E − PV
B) H = E + Q
D) Both a and c

67. If a catalyst is added to a reaction at equilibrium, the equilibrium will

A) Move forward
C) Have no effect
B) Move backward
D) None of these

68. Which has more ionic character?

A) HCl
C) HBr
B) HF
D) HI
69. Which is the strongest bond?

A) HCl and HBr

C) H2 and O2
B) CO2 and HF
D) N2 and F2

70. In ionic crystals, group elements react with group elements

14
 A) I-A, II-A and VI-A, VII-A C) II-A, III-A and VI-A, VII-A
B) I-A, IV-A and V-A, VII-A D) I-A, II-A and V-A, VII-A

71. Na3AlF6 is the formula of

A) Fluorspar C) Dolomite
B) Cryolite D) Carnotite

72. Which central atom contains a lone pair?

A) BF3 C) CO2
B) PH3 D) PCl5

73. Which particle has the same mass as an electron but carries a positive charge?

A) Neutron
C) Neutrino
B) Proton
D) Positron

74. The valency of group VII-A elements is

A) +4
C) -1
B) +7
D) -2

75. Tollen’s reagent gives after reaction

A) Brick red precipitate

C) Silver deposit
B) White precipitate
D) Yellow precipitate

76. Potassium permanganate is in nature

A) Reducing agent
C) Acidic
B) Oxidizing agent
D) Basic

77. The valency of carbon in the excited state is

A) 4
C) 2
B) 3
D) 5

78. Gold dissolves in

A) HNO3
C) Aqua regia
B) Ethanol
D) HClO4
79. The formula of hypochlorous acid is

15
 A) HClO C) CaOCl2
B) HCl D) HClO4

80. Which vitamin is mostly found in fresh fruits?

A) Vitamin A
C) Vitamin C
B) Vitamin K
D) Vitamin D

81. Vitamin B1 is also called

A) Thiamine
C) Nicotinic acid
B) Riboflavin
D) Pyridoxine

82. Which one is an ionic compound?

A) CaC2
C) NH3
B) KCl
D) Li3N
83. Bakelite is the polymer of

A) Alcohol and phenol

C) Formaldehyde and phenol
D) Adipic acid and hexamethylenedi-
B) Acetaldehyde and phenol
amine

84. A mixture of aluminum nitrate and aluminum powder is

A) Aluminum bronze
C) Cryolite
B) Duralumin
D) Ammonal

85. Carbocyclic compounds are those in which

A) All carbon atoms are present in the

C) All carbon atoms are present in a
ring
branched chain
B) Carbon and oxygen atoms are
present in the ring
D) They are also called aliphatic

86. For the strongest bond, the dissociation energy will

A) Decrease
C) Remain unchanged
B) Increase
D) May increase or decrease

87. What is the common characteristic in group 13?

A) All members are metals B) Same number of shells

16
C) Same number of valence
electrons
D) Same nuclear charge

17
88. Lanthanides and actinides each have how many elements?

A) 32
C) 16
B) 14
D) 18

89. The main steroid in the human body is

A) Cholesterol
C) Progesterone
B) Cholic acid
D) Wax

90. What happens to the volume of one mole of a gas when both temperature and
pressure are reduced to one-fourth of their original values?

A) Increases 2 times
C) Remains unchanged
B) Increases 4 times
D) Reduces to half

91. Which statement is correct about Dalton’s atomic theory?

A) All matter is made up of very small

C) An atom consists of a positively
particles called atoms
charged, dense, and very small nu-
B) An atom is made up of three par- cleus
ticles: electrons, protons, and neu-
trons
D) Atoms are infinite in number

92. Compounds having different crystalline structures are called

A) Polymorphism
C) Allotropy
B) Isomorphism
D) Both a and c

93. Which one is a polydentate ligand?

A) Hydroxide
C) EDTA
B) Oxalate
D) Cyano

94. The general formula of alcohols is

A) RCOOH
C) ROH
B) RCOOR
D) ArOH
95. The number of sigma bonds in benzene is

A) 6
C) 7
B) 12
D) 24

96. Evaporation of water is

18
 A) Exothermic C) Non-spontaneous
B) Spontaneous D) Chemical

97. The general formula of amides is

A) RCONH2 C) RCOOH
B) RCOCH3 D) RNH2

98. Buffer solutions resist changes in their

A) Temperature C) Volatility
B) Solubility
D) pH

99. The bond in HCl is

A) Ionic bond C) Polar covalent bond

B) Non-polar covalent bond D) Dative bond

19
100.Most electropositive
element is

A. Be
B. Sr
C. Cs
D. Rb

101.Water glass is

A. Na2CO3
B. Na2SiO3
C. SiO2
D. None of these

102.Which one is most electronegative difference?

A. Cl I C. Br Cl
B. F Cl D. F Cl

103.Which one of the following is true for Galvanization?

A. Corrosion mean oxidation C. Galvanization is chemical

B. Galvanization is physical changes
change D. Plating of iron on zinc

104.Which statement correct for

solidification?
C. Gas to solid
A. Liquid to solid
D. Gas to liquid
B. Solid to liquid

105.Affinity for hydrogen decreases in the group from fluorine to iodine.

Which of the halogen acids should have highest bond dissociation
energy will be?

A. HF C. HBr
B. HC D. HI
l

1
106.Boyle’s law
equation
C. P/V = K
A. V/T = K
D. P = V K
B. PV = K

107.When electron moves from higher energy level to lower it

A. Absorb 114.Another name of methane is:

B. Emit

108.Alkene hydrogenated to form

A. Alcohol
B. Alkane

109.Alkene has Carbon-Carbon bond

A. Double
B. Single

110.Unsaturated hydrocarbon means

A. Carbon double bond with

oxygen
B. Carbon-Carbon double bond

111.1 mole of water contains

molecules

A. 3.01 × 1023
B. 6.02 × 1023

112.Formula of Methyl alcohol is:

A. R OH
B. C2H5OH

113.Vegetable fiber is

A. Nylon
B. Plastic

2
C. Quantized
D. May be absorb or emit

C. Alkyne
D. Alkyl halide

C. Triple
D. All of these

C. Carbon-Carbon triple bond

D. Both b and c

C. 3.01 × 1022
D. 1.5 × 1023

C. CH3OH
D. CH2OH

C. Cotton
D. Teflon

3
 A. Coal gas C. Phosphene gas
B. Marsh gas D. Water gas

115.Which one is used as a anti freezing

agent?
C. Ethyne
A. Ethanol
D. Acetone
B. Ethylene glycol

116. H2S is agent

C. Dehydrating
A. Oxidizing
D. None
B. Reducing

117.The replacement of H+ by an other group on benzene ring is called

A. Electrophilic addition C. Reduction

B. Electrophilic substitution D. Oxidation

118.Replacement of H+ by HSO3 is
known as
C. Alkylation
A. Nitration
D. Acylation
B. Sulphonation

119. Bond length is shortest in

C. Ethyne
A. Ethene
D. Methane
B. Ethane

120.Which one of the following species contains an unpaired electron?

A. N2 C. NO2
B. N2 D. NO3 –
O

121.Consider the nuclear reaction, 27Al + 4He→ 4n + X, where X

represents:
13 2 0

A. 30P A. Product mole greater

1
4 than reactant mole
B. 1 P
29
5

122.If Kc>Kp means:

4
C. 39P
1
5
D. 32P
1
5

B. Product mole less than reactant

mole

5
 C. Product mole equal to D. None of the above
reactant mole

123.Charle’s law if pressure twice then volume becomes?

A. Increase two times C. Reduced to half

B. Increase three times D. Remained unchanged

124.Which acid is present in

lemon?
C. Tartaric acid
A. Ascorbic acid
D. Acetic acid
B. Citric acid

125.Which gas effuses very

fast? C. CH4
A. CO2 D. NH3
B. N2O

126.Which molecules follow octet rule B. Avogadro’s law

EXCEPT

A. CS2
B. NO2

127.Down cells is used to prepare

A. Caustic soda
B. Sodium metal

128.Formula mass of NaCl is:

A. 28 gm/mol
B. 58.44 gm/mol

129.NaCl is compound:

A. Ionic
B. Covalent

130.Real gas law obeys:

A. Boyle’s law
6
C. O2
D. H2

C. H2
D. O2

C. 36 gm/mol
D. 16 gm/mol

C. Polar
D. None of these

C. Graham’s law
D. None of these

7
131.Formula of dimethyl
ether is:
C. C2H6O
A. C2H5O
D. C6H5O
B. C2H4O

132.Formula of ethanol is:

C. KMnO4
A. C2HOH
D. C2H5OH
B. C2H5OH

133.Bakelite is a polymer by two monomer which are:

A. Phenol and C. Formaldehyde and ester

formaldehyde
(methanal)
D. None of these
B. Ketone and phenol

134.Organic compounds are soluble in all except:

A. Ester B. Weak acid and weak

base
B. Benzene

139.The bond between HCl is:

135.Formula of baking powder
is:

A. Na2CO3
B. NaHCO3

136.Another name of methane is:

A. Ethylene
B. Ozone

137.Formula of Amide is:

A. CO NH
B. CO CH3

138.Buffer solution is:

A. Strong acid and strong

base

8
C. Petroleum
D. Water

C. CaCO3
D. Al2O3

C. Amide
D. Marsh gas

C. CO OH
D. None of these

C. Weak acid and its conjugate

base
D. Strong base and weak acid

9
 A. Polar covalent bond A. Thiamine
B. Ionic bond B. Riboflavin

140.Na2CO3 by prepared which

process:

A. Contact process
B. Solvay process

141.Grignard reagent produce:

A. Alkane
B. Alkyl halide

142.Most electropositive element is:

A. Chlorine
B. Chromium

143.Most electronegative element is:

A. Fluorine
B. Potassium

144.Which of these is not a fatty

acid:

A. Phthalic acid
B. Propanoic acid

145.EDTA is a ligand.

A. Multidentate
B. Chelates

146.Organic compounds are not

soluble in:

A. Benzene
B. Ether

147.Vitamin B1 is:

1
0
C. Co-ordinate covalent bond
D. None

C. Bosch process
D. Nelson cell

C. Aldehyde
D. Ketones

C. Fluorine
D. Cesium

C. Sodium
D. Argon

C. Acetic acid
D. Butanoic acid

C. Polydentate
D. Bi-dentate

C. Alcohol
D. Water

C. Glucose
D. None of these

1
1
148.Citric acid is
present in:
C. Potato
A. Tomato
D. Alcohol
B. Lemon

149.The replacement of H+ by another group on benzene ring is called:

A. Nucleophilic addition C. Electrophilic substitution

B. Nucleophilic substitution D. Free radical substitution

150.Formula of propanoic acid:

A. CH2O C. C2H4O5
B. C3H5O4 D. C2H2O4

151.Formula of formic acid:

A. C2H5 C. C2H2O
B. C2HO4 D. CH2O2

152.Kipps method is used to

prepare for:
C. Gases
A. Solid
D. None of these
B. Liquid

153.How many isomers of C6H14.

C. 4
A. 6
D. 5
B. 7

154.Ga belongs to which group:

C. IB
A. IIIA
D. VIII
B. IVA

155.Chemical name of urea is:

C. Chelate
A. Carbide
D. None of these
B. Carbamide

156.Which type of crystals from Vander Waals forces?

1
2
 A. Covalent C. Molecular Crystals
crystals
D. None of these
B. Ionic Crystals

157.The minimum energy necessary for a reaction to take place is called:

A. Kinetic energy C. Free energy

B. Threshold energy D. Activation energy

158.Interstitial hydrides are:

A. Ionic C. Covalent
B. Metallic D. None of these

159.Addition of HCN is an
example of:
C. Nucleophilic addition
A. Electrophilic addition
D. Nucleophilic substitution
B. Electrophilic substitution

160.Vitamin B2 is also called:

C. Glucose
A. Chelate
D. Riboflavin
B. Thiamin

161. Most abundant and important steroid in human being is:

A. Cholester C. Medicines
ol
D. None of these
B. Calcium

162.When two atoms are combined together they are called:

A. Mole A. PV nRT
B. Molecule B. n PV/RT

163.Hydrocarbons cannot be obtained

from:

A. Plants
B. Chemicals

164.The equation of Boyle’s law is:

1
3
C. Atomic molecule
D. Atom

C. Air
D. Coal

C. P1V1 P2V2
D. None of these

1
4
165.Which alkane does not form by hydrogenation of Alkene?

A. C3H8 C. C2H6
B. CH4 D. None of these

166.Alkene has C C bond:

A. Single C. Triple
B. Double D. No bond

167.1 mole of water contains

molecules:
C. 6 × 1024
A. 6.02 × 1023
D. None of these
B. 6.02

168.Mass of electron is:

C. 9.1 × 10−31 Kg
A. 9 × 10−31 gm
D. None of these
B. 9 × 10−42 gm

169.Formula of methanol is:

C. CH3OH
A. C2H5OH
D. None of these
B. C2H5OH

170.Vegetable fiber is:

C. Cotton
A. Plastic
D. CH3OH
B. Ether

171.Solution is mixture:
C. Solvent
A. Homogenous
D. Both A and B
B. Heterogeneous

172.∆H1 + ∆H2 + ∆H3 = ∆H is the mathematical expression of:

A. Hess’s law of constant heat C. Ideal gas law at constant

summa- tion tempera- ture
B. Dalton’s law D. None of the above

173.Which orbitals are co-planer?

1
5
 A. Sp C. Sp3
2
B. Sp
D. None of these

174.Ligands are:

A. Lewis base (electron pair

donor) C. Lewis base (electron pair
acceptor)
B. Lewis acid
D. Lewis base

175.Which elements show similar

properties.

A. Na,Ar C. Li,K

B. Ca3C D. H,He

176.Which hydrides are interstitial hydrides (Repeated)

A. Ionic hydrides C. Covalent hydrides

B. Metallic hydrides D. None of these

177.Iso-propyl alcohol is oxidized to

produce:
C. Ketone
A. Hexene
D. Ester
B. Ethane

178.This method is used to purify aluminum if ferrous oxide is present as

impurity:

A. Bayer’s method C. Hall’s method

B. Serpeck method D. Aqua regia

179.The number of π electrons in

benzene:
C. 6
A. 7
D. 2
B. 8

180.Rate of reaction for aqueous state is independent of:

A. Temperature 181.The number of sigma bond

in benzene:
B. Concentration
A. 12

1
6
B. 14 C. Catalyst
D. Pressure

C. 16
D. 10

1
7
182.C3H4 hydrocarbon form this
group:
C. C5H5
A. C2H5
D. C7H12
B. C2H4

183.An orbital can have maximum two electrons is the statement of:

A. Hess’s law B. Hexagonal structure

B. Pauli’s exclusion principle
190.Hydrogen is very good
agent:
184.The number of π bonds in
benzene:

A. 3
B. 5

185. Vitamin A is:

A. Riboflavin
B. Cellulose

186.This is water soluble vitamin:

A. A
B. K

187.R SH is known as:

A. Thiosulphato
B. Thioalcohol

188.Covalent bond is different in a

way:

A. It is formed by mutual
sharing
B. It is formed by parallel
sharing

189.Benzene shows saturated nature

due to:

A. Delocalized of pi electrons
1
8
C. Graham’s law of diffusion
D. None of these

C. 6
D. 18

C. Retinol
D. None

C. C
D. D

C. Ketone
D. Amide

C. None of these

C. Delocalized of sigma electrons

D. None of these

1
9
 A. Reducin C. Reacting
g
D. Bond formation
B. Oxidizin
g

191. Muslim scientist tried to prepare gold through other metal like
Cu,Pt etc. by

A. Melting C. Smelting
B. Roasting D. Refining

192.Another name of picric acid is:

A. 1,2,3 phenol C. Ozone

B. 2,4,6 trinitrophenol D. None of these

193.Haemoglobin is an example of:

A. Protein C. Minerals
B. Carbohydrates D. Fat

194.Equilibrium is achieved when?

A. Conc. of reactant and

C. Temperature of opposing
product be- come equal.
reaction become equal
B. Rate of forward and rate of
D. Opposing reaction become
back- ward become equal.
Happen- ing

195.Oxidation no of alkali metals?

A. +2
C. +3
B. +1
D. +5

196.Ketones & Aldehydes are?

A. Non-carbonyl
C. Carbonyl and hydroxyl
B. Carbonyl
D. None

197.A which increase the rate of chemical reactions without taking part
itself is called

A. Catalyst
198.Evaporation of water is?
B. Impurities
2
0
C. Inhibitor
D. None of these

2
1
 A. Non- C. Exothermic
spontaneous
D. Both A and C
B. Spontaneous

199.The order of reaction is in a chemical reaction is the?

A. rate of a chemical reaction C. The reaction order of a

and the concentration of the chemical re- action is always
species taking part in it. defined with the help of
B. It can be obtained by adding reactant concentrations and
all the exponents of the not with product
concentration terms in the concentrations.
rate expression
D. All of these

200.The bond formed between -ive ion and +ive ion is called?

A. Ionic C. Metallic
B. Covale D. Both a and c
nt

201.Form Group III-A the most abundant element

A. Boron C. Aluminum
B. Galliu D. Indium
m

202.Elements having high I-P but inert behavior are called?

A. VI-A C. IV-A
B. VIII-A D. VI-A

203.Ammonal is a mixture of:

A. Al powder C. Both A & B

B. Aluminium Nitrate D. None of these

204.Activation energy can be written

as:
C. All of these
A. Threshold energy-Activation
En- ergy
D. None of these
B. Threshold -avergy intes
enegy

2
2
205.Alkyl halide reacts with alcoholic KOH to give

A. Alcohol C. Ester
B. Alkene D. None of these

206.Ester is formed when is

react

2
3
 A. Alcohol and Ether C. Ester
B. Alcohol and carboxylic D. None of these
Acid

207.The bonds in CF4 is

C. Sp3
A. Sp3
B. Sp2 D. Sp3

208.Hydrogen act as agent

A. Reducing Agent C. All of these

B. Oxidizing Agent D. None of these

209.HNO3 is a agent

A. Nitrating Agent C. All of these

B. Reducing Agent D. None of these

210.If a force is applied to a container pressure is reduce to half, the

temperature will be.

A. Double C. Triple
B. Half D. None of these

211.Bakelite is formed by:

A. Phenol and C. All of these

methanal
D. None of these
B. Phenol and Nylon

212.The no of sigma and π bond is 2,2-dimethyl-1-butene is:

A. 12σ&1π C. 30σ&10π
B. 2π&10σ D. None of these

213.Alkyl magnesium halide is

known as:
C. All of these
A. Bloor’s Reagent
D. None of these
B. Grignard’s Reagent

214.Which of the following will lose electron readily?

2
4
 A. Li C. K
B. Na D. Cs

215.The nature of amino acid is:

A. Neutral C. Base
B. Acid D. None of these

216.Avoid corrosion on aluminium by

using
C. Al
A. Al2O3
D. None of these
B. O2

217.The no of σ and π bond in N2 is:

C. All of these
A. 1σ&2π
D. None of these
B. 3σ&1π

218.The solution that maintain the pH is called :

A. Salt C. All of these

B. Buffe D. None of these
r

219.Ammonia Solvay process is used to prepare.

A. Na2CO3 C. Na
B. NaOH D. None of these

220.The formula of heavy

water
C. T2O
A. H2O
D. None of these
B. D2O

221.PVC is belong to which type of polymerization

A. Addition A. Alcohol
B. Condensation B. Thioalcohol

222.The Compound
RSH is
2
5
C. All of these
D. None of these

C. Ether
D. None of these

2
6
223.The molecules formed bond

A. Ionic C. Metallic
B. Covalent D. None of these

224.Asbestos is fiber

A. Mineral fiber C. Plant fiber

B. Synthetic fiber D. None of these

225.Statement of first law of

thermodynamic
the energy leaving the system
A. ”Energy can neither created in the form of work done by
nor de- stroy it may transfer” the system on its
surroundings
B. The system in the form of
heat is equal to the sum of C. Both A & B
the increase in the system’s D. None of these
internal energy and

226.Catalyst that speed up the rate of reaction but do not participate in

the reaction

A. Positive catalyst C. Promoter

B. Inhibitor D. None of these

227.The compound with Fe3+ and

SO2 is
C. FeS
A. FeSO4
D. None of these
B. Fe2(SO4)3

228.Ionization energy of alkali metals down the group

A. Increase NaOH
B. Decrease A. 0.02 g
B. 0.002 g
229.HBr is

A. Covalent
B. Polar

230.0.5 ml of 1 M NaOH contain

2
7
C. Constant
D. None

C. Non-polar
D. Both A & B

C. 0.2 g
D. 2 g

2
8
 231.Number of hydrogen in 2,2-dimethyl butane

A. 14 C. 10
B. 16 D. 15

232. Which is position

isomers
C. Di methyl ether, ethyl
A. n-butane, Iso-butane alcohol
B. 2-chloro butane, 1-chloro D. None
butane

233.What moles of O2 needed to combust benzene completely

A. 2. C. 4.5
5
D. 3.5
B. 7.
5

234.An element has electronic configuration. 4p1 which one is incorrect

A. 4th period A. Functional group

isomerism
B. Principle quantum number B. Metamers
is ’4’

235.Carbohydrates has functional

group

A. Ketone
B. Aldehyde

236.Enzymes are

A. Vitamin
B. Liquid

237.C5H10O is the molecular

formula of

A. Cyclopentane
B. 2-pentene

238.Glucose & fructose are

2
9
C. Azimuthal quantum number is l D. Fat
=1
D. None

C. None
D. Both
C. Both
D. None

C. Position isomers
D. Metamerism
C. Protein

239.20 g of diatomic gas occupies volume 44.8 dm3 at STP. Find molecular
weight of gas.

3
0
 A. 20 g C. 40 g
B. 10 g D. 58

240.Non polar solvent

A. SN1 C. E4
B. SN2 D. Both A & C

241.In exo reaction, heat content

of R is
C. Equal
A. Greater than P
D. None
B. Less than P

242.Greatest rate of flow

C. 20 dm3 in 4 min
A. 50 dm3 in 5 min
D. None
B. 11 dm3 in 1 min

KJ
243.Form substance AB, BC, AC, AD have bond energies AB = 241 BC
= 341 KJ mol mol
AC = 441 KJ AD = 541 KJ Which has least bond length
mol mol

A. A C. BC
B
D. SD & BC
B. A
D

244.In stainless steel, 2nd highest %

is of
C. Cobalt
A. Iron
D. Chromium
B. Nickel

245.Which is lighter than the rest

C. Neutron
A. Electron
D. None
B. Proton

246.In which one of the following does the central atom not possess an
’octet’ in its outer shell?

A. BH3
247.SnCl2 have shape
B. CH4
3
1
C. NH3
D. H2O

3
2
 A. Trigonal C. Angular
planar
D. None
B. Tetrahedral

248.The bond formed by pairing of electrons spin caused by the axial

overlapping of half filled orbitals of two atoms is called

A. Sigma bond C. Ionic bond

B. Pi-bond D. None

249. PH3 have

shape
C. Tetrahedral
A. Trigonal
D. Linear
B. Pyramidal

250.Which is independent of
temperature? C. Normality

A. Molarity D. Mole fraction

B. Molality

251.The molarity of solution made by the 98 g of sulfuric acid in

sufficient water to make 500 ml of solution is

A. 1 M C. 2 M
B. 0.5 D. 3 M
M

252.Amount of H2SO4 in 2 litre of 28% concentrated solution.

A. 5.6 gm B. 9
B. 0.56 mg
255.CnH2n 1OH represent
253.IUPAC name of C2H5 O what?
CH3

A. Methyl ethyl ketone

B. Ethoxyethane

254.Naphthalene ring has pi

bond

A. 5
3
3
C. 560 gm
D. 0.500 kg

C. Methyl propanoate
D. Methoxyethane

C. 25
D. None

3
4
 A. Alcohol C. Ketone
B. Aldehyd D. Carboxylic
e

256.1s2, 2p6, 2s2, 3p6 which rule violation occur

A. Hund’s C. Pauli’s exclusion principle

rule
D. All
B. Aufbau

257.Which pair is isomers with each other.

A. Ethanal with ethanol B. Methyl ethyl ketone with

butanol

258.Which can be use as

nucleophile
C. Benzene
A. BF3
D. None
B. Butane

259.In which of the following molecules dipole moment exist

A. CO C. NH3
2

B. CH D. None
4

260.NaCl react with water, container become hot it represent.

A. Exothermic C. Both
B. Endothermic D. None

261.E1 - mechanism is
favored by
C. Bulky group
A. Polar solvent
D. None
B. Non-polar solvent

262.50J of heat given out by a container which does work of 100 J against
surrounding, calculate the change in internal energy.

A. 150 J
263.Reduction is
B. 15 J

2
A. Gain of C. -150 J
e–
D. 100 J
B. Loss of
e–

C. Loss of H2
D. None

2
264.When O–3 convert into O–2
then
C. Redox
A. Oxidation occur
D. None
B. Reduction occur

265.Alpha particle consist of

C. 2 proton 1 neutron
A. 2 proton 2 neutron
D. 1 proton 1 neutron
B. 2 proton 0 neutron

266.Protein consist of
C. Enzymes
A. Lipids
D. Both B & C
B. Amino acid

267.Which is not lipid

C. Glycerol
A. Fats
D. None
B. Wax

268.IV-B group may represent

by C. Outer transition
A. Period 3 D. None
B. 3s2,4d2

269.In which isotope neutron is double than of proton

A. Protiu C. Deuterium
m
D. None
B. Tritium

270.Which of the following properties are intensive

A. Entropy
272.From left to right the
B. M.P nuclear charge

271.At −273◦C velocity of molecules

is

A. Minimum
B. Maximum

2
1
C. Moles
D. None

C. Zero
D. None

2
1
 A. Increase C. Same
B. Decrease D. None

273.Oxidizing agent itself

A. Increase in oxidation C. No charge

number
D. All
B. Decrease in oxidation
number

274.Number of moles of CO2 in 1200 cm3 are at STP

A. 0.053 C. 1
B. 0.052 D. 1.5

275. 1 Kilo cal =

J
C. 4186 J
A. 1000 cal
D. 420 J
B. 4.2 J

276.2 moles of H2 react with I2 find the moles of HI ?

A. 2 C. 4 moles
moles
D. None
B. 3
moles

277.Na2CO3 turns red litmus to blue in a solution because of

A. Strong C. Neutral Salt

Base
D. Common Salt
B. Strong
Acid

278.Internal resistance to the flow of liquid is called.

A. Coefficient of viscosity B. Gold & Copper

B. Resistance
280.Rain drops are spherical
due to.
279. Brass is an alloy
of. A. Temperature
A. Copper & Iron B. Gravitational pulls
2
C. Velocity
D. Viscosity

C. Copper & Zinc

D. Iron & Tin

C. Surface tension
D. None

2
281.F–,Cl–,Br–,I– belongs to the same group of periodic table and they
show similarity in properties due to.

A. Densit C. Boiling point

y
D. Electronic configuration of
valence shell
B. Size

282.When any solid is changed to gas without melting the process is said
to be.

A. Diffusio C. Sublimation
n
D. Isotherms
B. Boiling

283.Dipole moment of CO2 is Zero; its structure will be.

A. Angular C. Linear
B. Tetrahedral D. Octane

284.Main Constituents of petrol is.

A. Methane C. Hexane
B. Butane D. Octane

285.In exothermic reaction heat is.

A. Absorbed C. Taken in by the reaction

B. Released D. None

286.Which of the following is a

water gas.
C. CO + H2O
A. CO + N2
D. CO2 + H2
B. CO + H2

287.What is amount required for 1 M NaOH to prepare 1 liter of solution.

A. 40 gms C. 0.4 gms

B. 0.04 D. 4 gms
gm

288.The volume of a gas is proportional to the no of molecules present,

at STP this is.
2
 A. Boyle’s Law C. Avogadro’s Law
B. Charles Law D. Daltons Law

289.The formula of
xylene is.

2
 A. C6H6 C. C6H4(CH3)2
B. C8H1 D. C6H5OH
0

290.The lowest energy level which of electron can have.

A. K- C. M-level
level
D. O-level
B. L-
level

291.We have two half cells connected with a salt bridge (indicates that
it’s a galvanic cell), electrons flow from? Zn + Cu+2→ Zn+2 + Cu

A. Anode to cathode through C. Anode to cathode through

external circuit salt bridge
B. Cathode to anode through D. Cathode to anode through
external circuit salt bridge

292.Gamma rays have

A. Zero mass, positive charge C. Zero mass, negative charge

B. Zero mass, zero charge D. None

293.Cathode rays confirm the presence of particles of an atom.

A. Proton C. Electron
B. Neutron D. Photon

294.γ-rays emitted in the

form of
C. Neutron
A. Electron
D. None
B. Proton

295.Amino acids are essential source of protein in the body which of the
following cannot be a source of protein?

A. Milk B. C7H10O5
B. Beans

296.Formula of
fructose.

A. C6H12O6
2
C. Meat
C. C12H22O11
D. Sugar
D. C6H5OH

297.Which of following compounds when dissolved in water will give a pH

greater than 7 ?

2
 A. CaCO C. CO2
2

B. KOH D. None

298.Which particle in the nucleus has the same charge as charge of

electron with oppo- site sign & having 1836 times mass of electron.

A. Electro C. Neutron
n
D. None
B. Proton

299.The substance which is liberated or deposited at the electrodes is

directly propor- tional to the amount of electric current passed
during electrolysis. This is.

A. Hess’s Law C. Law of Heat

st
B. Faraday’s 1 Law of D. Faraday’s 2nd Law of
electrolysis electrolysis

2
5