Major 2
Major 2
Saransh Jain
Major 2
ENTRANCE EXAM - NEET-UG
period T when the vehicle travels along a frictionless 24) Two simple pendulums of lengths 1.96 m and 1 m start
road AB. What will be its time period when the vehicle swinging together. After how many vibrations will they
travels along the frictionless path BC? again start swinging together? [4]
23) Local train when started from rest gains acceleration in paper rider placed harmonic motion
forward direction towards north. Due to the displacement on the stretched
of local train, the handles hinged at its roof get inclined string
at an angle of 60° with vertical. The acceleration of
handles will be: [4] [4]
a) It is based on the concept of hybridisation of orbitals. 44) Total possible linkage isomers of K4 [Fe(CN)5 (NO2 )]is: [4]
b) It explains why anionic ligands are at the low end a) 12 b) 10
of the electrochemical series. c) 4 d) 6
c) It is an electrostatic model. 45) Which of the following complexes is not a chelate? [4]
d) It considers the covalent character of bonding be-
tween the ligand and the central metal. a) Potassium ethylenediaminetetrathiocyanatochro-
mate(III)
34) Which of the following is diamagnetic in nature? b) Trans - diglycinatoplatmum(II)
[Atomic number: Co = 27][4] c) Tetraamminediazidocobalt(III) nitrate
a) Co3+ , in a tetrahedral complex d) Bis(dimethylglyoximato)nickel(II)
b) Co3+ , octahedral complex with weak field ligand 46) The oxidation number of Co in the complex ion for
c) Co3+ , in a square planar complex
d) Co3+ , octahedral complex with strong field ligand
35) Which of the following is a homoleptic complex? [4] is: [4]
a) +3 b) +6
a) [Cr(NH3 )3 Cl3 ] b) [CoCl2 (en)2 ]+
c) +4 d) +2
c) [Co(NH3 )4 Cl2 ] +
d) [Cu(NH3 )4 ]+2
47) The complex ion which has no d electrons in the central
36) The formula of the complex Iron (III) hexacyanidoferrate
metal atom is:
(II) is: [4]
a) Fe2 [Fe(CN)6 ]3 b) Fe [Fe(CN)6 ] [Atomic number Cr = 24, Mn = 25, Fe = 26, Co =
c) Fe4 [Fe(CN)6 ]3 d) Fe3 [Fe(CN)6 ]2 27][4]
a) [Cr (H2 O)6 ]
3+
37) When 0.1 mol CoCl3 (NH3 )5 is treated with excess of
b)
3−
AgNO3 , 0.2 mol of AgCl are obtained. The conductivity [Fe(CN)6 ]
of solution will correspond to [4] c) [MnO4 ] -
d)
3+
a) 3 : 1 electrolyte b) 1:2 electrolyte [Co (NH3 )6 ]
c) 1 : 3 electrolyte d) 1 : 1 electrolyte 48) The type of isomerism shown by the complex
38) Blue solution of CuSO4 becomes darker when treated with [CoCl2 (en)2 ]is . [4]
ammonia because: [4] a) Linkage isomerism
b) Coordination isomerism
a) Ammonia is stronger ligand than water
c) Ionization isomerism
b) Ammonia is highly soluble in water
d) Geometrical isomerism
c) Ammonia is a Lewis acid
d) Ammonia molecule replaces water molecule in solu- 49) Which of the following statement is correct?
tion i. Tetrahedral complex does not show optical iso-
merism.
39) The coordination number ofCo in the complex [Co(en)3 ]3+
ii. Tetrahedral complex shows cis and trans isomers that
is: [4]
a) 6 b) 5 are optically active.
c) 4 d) 3 iii. Tetrahedral complex has 15 optically active isomers.
iv. Tetrahedral complex has two stereoisomers.
40) The compounds [Co(SO4 ) (NH3 )5 ]Br and [4]
[Co(Br)(NH3 )5 ]SO4 represent: [4] a) (B) only b) (A) only
c) (D) only d) (C) only
a) Optical isomerism
4
50) Which of the following are ambidentate ligands? [4] 60) Select the correct IUPAC name of [Co(H2 NCH2 CH2 NH2 )3 ]2 (SO
is: [4]
a) N−
3 , CO3 , NO2
2− −
b) CN , NOS , P(C6 H5 )3
- - a) Tris (ethane - 1, 2 - diamine) cobaltate (II) sulphate
c) NO−2 , NOS , CNO
− − b) Tris (ethane - 2, 2 - diamine) cobalt (II) sulphate
d) H2 N − NH2 , S2 O2−
3 , CNO
− c) Tris (ethane - 1, 2 - diamine) cobaltate (III) sulphate
d) Tris (ethane - 1, 2 - diamine) cobalt (III) sulphate
51) The IUPAC name of [Co(H2 O)3 Cl3 ]is . [4]
Section C
a) Triaquatrichloridocobaltate(III)
b) Triaquacobalt(III) trichloride 61) Krebs cycle is both catabolic and anabolic as it provides
c) Triaquatrichloridocobalt(II) . [4]
d) Triaquatrichloridocobalt(III)
a) A number of final products
52) The EAN of Fe in [Fe(CN)6 ]3 - is . [4] b) A number of intermediates
a) 33 b) 35 c) ATP is released as well as utilised
c) 34 d) 36 d) Produce energy as well as use energy
53) Which of the following complex ions is expected to ab- 62) The net gain of ATP molecules per hexose during aerobic
sorb visible light? respiration is . [4]
[Atomic number of Zn = 30, Sc = 21, Ti = 22, Cr = a) 30 b) 18
24][4] c) 12 d) 36
a) [Cr(NH3 )6 ]3+ b) [Zn(NH3 )6 ]2+
63) Phosphorylation of glucose during glycolysis is catalyzed
c) [Ti(en)2 (NH3 )2 ] 4+
d) Sc(H2 O)3 (NH3 )3 ]3+
by: [4]
54) The values of the crystal field stabilization energies for a
a) Phosphorylase
high spin d6 metal ion in octahedral and tetrahedral fields,
b) Phosphoglucomutase
respectively, are: [4]
c) Phosphoglucoisomerase
a) - 1.6∆o and - 0.4 ∆t d) Hexokinase
b) - 0.4∆o and - 0.6 ∆t 64) Kreb’s cycle occurs inside . [4]
c) - 0.4∆o and - 0.27 ∆t a) Lysosomes b) Mitochondria
d) - 2.4∆o and - 0.6 ∆t c) Ribosome d) Food vacuoles
55) Which amongst the following has zero magnetic moment? 65) Respiratory quotient (R.Q) is less than unity in the case
[4]
of . [4]
a) CrCl3 (py)3 a) Protein b) Starch
b) K4 [Mn(CN)6 ] c) Glucose d) Organic acid
c) [Co (NH3 )5 Cl] Cl2 66) The ultimate electron acceptor of respiration in aerobic
d) K [Cr (H2 O)2 (C2 O4 )2 ] · 3H2 O organisms is: [4]
56) The complex [Fe(H2 O)5 NO]2+ is formed in the brown a) Hydrogen b) Oxygen
ring test for nitrates when freshly prepared FeSO4 solu- c) Glucose d) Cytochrome
tion is added to the aq solution of NO− 3 followed by 67) Before combining with oxaloacetate, pyruvate is changed
addition of cone. H2 SO4 . Select correct statement about into: [4]
this complex: [4] a) Acetyl Co A b) Succinic acid
a) It has a magnetic moment of 3.87 B.M. confirming c) Citric acid d) Malic acid
three unpaired electrons in Fe 68) Which of the following is a product of lactic acid fer-
b) It has iron in +1 oxidation state and nitrosyl as NO+ mentation? [4]
c) All of these a) Molasses b) Beer
d) Colour changes due to charge transfer c) Vinegar d) Cake
57) 100 mL of a hard water sample is titrated with 0.01 69) If both fatty acids and carbohydrates are available to
M EDTA. The endpoint for the total hardness is 37.50 muscles, which one is consumed first in respiration? [4]
mL and the endpoint for the calcium hardness is 29.20
mL. The concentrations of Ca2+ and Mg2 - are , a) Both Carbohydrates and Fatty acids
respectively. [4] b) Carbohydrates
a) 100, 15 b) 240, 40 c) Fatty acids
c) 12, 2 d) 120, 20 d) Minerals
58) The number of unpaired electrons present in complex ion 70) Two molecules of pyruvate are completely degraded in
[FeF6 ]3 - is: [4] the Krebs cycle to form: [4]
a) 4 b) 5 a) 2ATP, 6NADH2 and 2FADH2
c) 0 d) 6 b) 4ATP, 12NADH2 and 4FADH2
59) The hypothetical complex triamminediaquachlorido- c) 2ATP, 8NADH2 , 2FADH2
cobalt(III) chloride can be represented as: [4] d) 8ATP, 8NADH2 and 2FADH2
71) The net gain of energy from one gram molecule of glucose
a) [Co (NH3 )3 (H2 O) Cl3 ]
during aerobic respiration is: [4]
b) [CoCl (NH3 )3 (H2 O2 )]
a) 2 ATP b) 38 ATP
c) [Co (NH3 )3 (H2 O)2 Cl] Cl2
c) 36 ATP d) 15 ATP
d) [Co (NH3 )3 (H2 O)3 Cl3 ]
5
79) Which of the following is 5 - carbon compound of 89) In succulent plants like Opuntia, the RQ value will be:
[4]
Kreb’s cycle? [4]
a) Less than one b) Infinite
a) Fumaric acid c) Zero d) More than one
b) α - Ketoglutaric acid
90) Where NADH+ H+ is formed from NAD+ ? [4]
c) Oxalosuccinic acid
d) Citric acid a) Whenl,3 - phosphoglycerate(PGA) is converted to 3
- phosphoglycerate (PGA).
80) The number of molecules of pyruvic acid formed from
b) When 3 - phosphoglyceraldehyde (PGAL) is con-
one molecule of glucose at the end of glycolysis is: [4]
verted to 1, 3 - biphosphoglycerate (BPGA).
a) 2 b) 4
c) When fructose 6 - phosphate converted to fructose
c) 1 d) 3
1, 6 - diphosphate.
81) How many ATP will be produced by the HMP shunt? d) When fructose 6 - phosphate converted to fructose
[4] 1, 6 - diphosphate