 question_answer1) The systematic name of

CH3−CHBr−CH2OH

is [BHU 1982]

A) 3-hydroxy-2-bromopropane

B) 2-bromopropanol-1

C) 2-bromo-3-propanol

D) 3-hydroxy isopropyl bromide

 question_answer2) IUPAC name of acetyl salicylic acid is [CPMT 1994]

A) m-benzoic acid

B) 2-acetoxy benzoic acid

C) p-benzoic acid

D) p-acetyl benzoic acid

 question_answer3) IUPAC name of

CH3CHO

is [NCERT 1981; CBSE PMT 1990; MP PMT 1989, 96]

A) Acetaldehyde

B) Methyl aldehyde

C) Ethanol

D) Ethanal

 question_answer4) IUPAC name of

CH3CH(OH)CH2CH2COOH

is [MP PET 1990]

A) 4-hydroxy pentanoic acid

B) 1-carboxy-3-butanoic acid

C) 1-carboxy-4-butanol

D) 4-carboxy-2-butanol

 question_answer5) IUPAC name of

CH3−O−C2H5

is [MNR 1986; MP PET 2000]

A) Ethoxymethane

B) Methoxyethane
 C) Methylethyl ether

D) Ethylmethyl ether

 question_answer6) Which of the following compound has the functional group

− OH

A) 1, 2-ethandiol

B) 2-butanone

C) Nitrobenzene

D) Ethanal

 question_answer7) IUPAC name of the

(CH3)2CHCH(CH3)2

is [MP PMT 1986]

A) 1, 1, 2, 3-tetramethylethane

B) 1, 2-di-isopropylethane

C) 2, 3-dimethylbutane

D) 2, 3, 3-trimethylbutane

 question_answer8) IUPAC name of the compound is

CH3−CH|CH2|CH3−CH2−CH(OH)−CH3

is [DPMT 1985; MP PMT 1987; AFMC 1997]

A) 4-ethyl-2-pentanol

B) 4-methyl-2-hexanol

C) 2-ethyl-2-pentanol

D) 3-methyl-2-hexanol

 question_answer9) IUPAC name of the compound is

CH3−CH=C−CH3|CH2−CH2

[NCERT 1983; MP PMT 1989, 96; BHU 1997]

A) 2-ethyl-2-butene

B) 3-ethyl-2-butene

C) 3-Methyl-3-pentene

D) 3-methyl-2-pentene


 question_answer10) The IUPAC name of
CH3C≡N

is [CPMT 1990]

A) Acetonitrile

B) Ethanenitrile

C) Methyl cyanide

D) Cyanoethane

 question_answer11) Which compound is 2, 2, 3-trimethylhexane [IIT-JEE 1986]

 question_answer12) The IUPAC name of

CH3CH2COCH2CH3

is [EAMCET 1992]

A) 3-pentanone

B) 2-pentanone

C) Diethyl ketone

D) All the above

 question_answer13) The IUPAC name of

CH3COOC2H5

will be [MP PMT/PET 1988; Kurukshetra CEE 1998]

A) Ethyl acetate

B) Ethyl ethanoate

C) Methyl propanoate

D) None of these

 question_answer14) IUPAC name of

(CH3)2CH−CH=CH−CH3
 is [CPMT 1987; AMU 1985]

A) 2-methyl-3-pentene

B) 4-methyl-2-pentene

C) 1, 2-isopropyl-1-propene

D) 3-isopropyl-2-propene

 question_answer15) IUPAC name of

CH2=CH−CH(CH3)2

is [IIT-JEE 1987; CBSE PMT 1988; CPMT 1989; MNR 1995; UPSEAT 2001; RPMT 2002]

A) 1, 1-dimethyl-2-propene

B) 3-methyl-1-butene

C) 2-vinyl propane

D) 1-isopropyl ethylene

 question_answer16) Alicyclic compounds are [CPMT 1976]

A) Aromatic

B) Aliphatic

C) Heterocyclic

D) Aliphatic cyclic

 question_answer17) The IUPAC name of

CH3CH2CHCH2|CH3CH2CH3

is [EAMCET 1991]

A) 4-methylhexane

B) 3-methylhexane

C) 2-propylbutane

D) 2-ethylpentane

 question_answer18) The most appropriate statement regarding organic compounds is

A) They possess ionic and covalent bonds

B) Presence of carbon is not essential

C) They are found in a large number

D) Their reactions are fast

 question_answer19) Correct name of the compound

CH3−CH−CH3|CH3

is [CPMT 1973; MP PMT 1994]

 A) Butane

B) Isopropyl methane

C) 2-methyl propane

D) Dimethyl ethane

 question_answer20) General formula of alkyne is [MNR 1983; CPMT 1975, 93; MP PET 1999]

A)
CnH2n+2

B)
CnH2n

C)
CnH2n−2

D)
CnHn

 question_answer21) IUPAC name of

H−C|H|H−C|Cl|H−Cl

is [CPMT 1973, 75, 85]

A) 1, 2-dichloroethane

B) 2, 2-dichloroethane

C) 1, 1-dichloroethane

D) Dichloroethane

 question_answer22) Freon-114 used in refrigerator and air conditioners is 1, 2-dichorotetrafluoroethane. Its

structural formula is [CPMT 1979, 81; NCERT 1975]

A)
Cl−C|F|Cl−C|F|F−H

B)
F−C|H|Cl−C|F|Cl−F

C)
F−C|Cl|Cl−C|F|F−Cl

D)
F−C|F|Cl−C|Cl|H−C|F|F−F

 question_answer23) IUPAC name of

 CH3−CH2−CH−NH2|CH3

is [CPMT 1983, 84]

A) 1-methyl-1-aminopropane

B) 2-aminobutane

C) 2-methyl-3-aminopropane

D) None of the above

 question_answer24) IUPAC name of the compound is

CH3CH2CH2CH2CH2−CH−|CH3C−CH2CH3|CH3|CH2CH2CH3

[NCERT 1982; MP PET 1994]

A) 3, 4-dimethyl-3-n-propyl nonane

B) 5, 7-dimethyl-7-n-propyl nonane

C) 4, 5-dimethyl-4-ethyl decane

D) 6, 7-dimethyl-7-ethyl decane

 question_answer25) IUPAC name of

CH3−CH−CH2|CH3−CH=CH2

is [DPMT 1982, 83; Manipal MEE 1995]

A) 2-methyl pentene

B) 4-methyl pentene-1

C) 1-hexene

D) 2-methyl pentene-1

 question_answer26) In the structure

1H3C−2C−3CH2−4CH3|CH3|CH3

Which one is quarternary carbon atom

A) C-1

B) C-2

C) C-3

D) C-5

 question_answer27) The IUPAC name of

CH3−CH2−C=|CH3CH2

is [EAMCET 1992; Pb. PMT 99]

A) 2-methylbutene-1

B) 3-methylbutene-1
 C) Vinyl methylethane

D) Propylethene-1

 question_answer28) The IUPAC name of

CH3C≡CCH(CH3)2

is [MNR 1993; Pb CET 2004]

A) 4-methyl-2-pentyne

B) 4, 4-dimethyl-2-butyne

C) Methyl isopropyl acetylene

D) 2-methyl-4-pentyne

 question_answer29) The IUPAC name of the compound having structure

C2H5−C−||CH2CH−|CH3CH3

is [AFMC 1990]

A) 3-methyl-2-ethyl butene-1

B) 2-ethyl-3-methyl butene-1

C) 3-ethyl-3-methyl butene-1

D) Ethyl isopropyl ethane

 question_answer30) The IUPAC name of

(C2H5)2CHCH2OH

is [MP PMT 1986; AFMC 1990]

A) 2-ethyl butanol-1

B) 2-methyl pentanol-1

C) 2-ethyl pentanol-1

D) 3-ethyl butanol-1

 question_answer31) IUPAC name of the following compound is

CH3−C−CH2|H|C6H5−CH3

[MP PMT 1986]

A) 2-cyclohexylbutane

B) 2-phenylbutane

C) 3-cyclohexylbutane

D) 3-phenylbutane

 question_answer32) The IUPAC name of

 CH3CH(CH3)COOH

is [CPMT 1988; RPMT 2000]

A) Dimethyl acetic acid

B) 2-methyl propanoic acid

C) Propanoic acid

D) Butyric acid

 question_answer33) IUPAC name of

CH3−CH−CHO|CH2CH3

is [IIT-JEE 1993]

A) Butan-2-aldehyde

B) 2-methylbutanal

C) 3-methyl isobutyraldehyde

D) 2-ethylpropanal

 question_answer34) The IUPAC name of the compound

CH3−CH|CH3−CH2−CH2−OH

is [KCET 1990]

A) 1-pentanol

B) Pentanol

C) 2-methyl-4-butanol

D) 3-methyl-1-butanol

 question_answer35) The IUPAC name of

CH3−CH|OH−CH2−CH|CH3−CHO

will be [CBSE PMT 1992; JIPMER (Med.) 2002]

A) 4-hydroxy-1-methylpentanal

B) 4-hydroxy-2-methylpentanaldone
C) 3-hydroxy-2-methylpentanal

D) 3-hydroxy-3-methylpentanal

 question_answer36) IUPAC name of tertiary butyl alcohol is [CPMT 1994]

A) Butan-1-ol

B) Butan-2-ol

C) 2-methyl propan-1-ol

D) 2-methyl propan-2-ol
 question_answer37) What is the correct IUPAC name for
CH3−C−|H|CH3CH=CH−CH2−C−||OOH

[MP PET 1995]

A) 5-methyl-3-hexenoic acid

B) 5-carboxyl-2-methylpentene

C) 4-isopropyl-3-butenoic acid

D) None of above

 question_answer38) The IUPAC name of

CH3−CH2CH=CCH2OH|CH3

will be [MP PET/PMT 1988]

A) 2-methyl pentyl alcohol

B) 4-methyl-3-pentene-ol

C) 2-methyl pent-2-ene-1-ol

D) 4-methyl pentyl alcohol

 question_answer39) The structure of 4-methyl pentene-2 is [BHU 1988]

A)
(CH3)2CH−CH2CH=CH2

B)
(CH3)2CH−CH=CH−CH3

C)
(CH3)2CH−CH2CH=CH−CH3

D)
(CH3)2C=CHCH2CH3
View Solution play_arrow

 question_answer40) 2-methyl-2-butene will be represented as [CBSE PMT 1992]

A)
CH3−CH|CH3−CH2−CH3

B)
CH3−C=|CH3CH−CH3

C)
CH3−CH2−C=|CH3CH2

D)
 CH3−CH−|CH3CH=CH2
View Solution play_arrow

 question_answer41)
Cl−C−Cl

angle in 1, 1, 2, 2 - tetrachloroethene and tetrachloromethane respectively are about [IIT-JEE 1988]

A) 120o and 109.5o

B) 90o and 109.5o
C) 109.5and 90o
D) 109.5 and 120o
View Solution play_arrow

 question_answer42) The IUPAC name of succinic acid is [IIT-JEE 1994]

A) 1, 4-butanedioic acid

B) Dimethyl-2-acid

C) 1, 2-dimethyldioic acid

D) None of these
View Solution play_arrow

 question_answer43) IUPAC name of

(CH3)2CH−CH2−CH2Br

is [CBSE PMT 1996]

A) 1-bromopentane

B) 2-methyl-4-bromobutane

C) 1-bromo-3-methylbutane

D) 2-methyl-3-romopropane
View Solution play_arrow

 question_answer44) The IUPAC name for

CH3CH=CHCH2CHCH2|NH2COOH

is [CBSE PMT 1995]

A) 5-aminohex-2-ene carboxylic acid

B) 5-amino-2-heptenoic acid

C) 3-amino-5-heptenoic acid

D) β− amino-δ−heptenoic acid
question_answer45) The IUPAC name of
CH2=CH−CH2Cl

is [MP PMT 1995]

A) Allyl chloride

B) 1-chloro-3-propene

C) Vinyl chloride

D) 3-chloro-1-propene
View Solution play_arrow

 question_answer46) The IUPAC name of

CH3CH2COCl

is

A) Propanoyl chloride

B) Ethanoyl chloride

C) Acetyl chloride

D) Chloroethane
View Solution play_arrow

 question_answer47) IUPAC name of the compound

C4H2=C3H−C2H2−C1H2OH

is

A) 1-buten-4-ol

B) 3-buten-1-ol

C) 4-hydroxy-1-butene

D) 1-butenol-4
View Solution play_arrow

 question_answer48) Which is the correct structure of the compound 3-hexyn-1-oic acid

A)
CH3−CH2−CH2−C≡C−COOH

B)
CH3−CH2−C≡C−CH2−COOH

C)
CH3−C≡C−CH2−CH2−COOH

D)
CH3−CH2−CH=CH−CH2−COOH
 View Solution play_arrow

 question_answer49) The IUPAC name of

CH3−C=|ClC−|CH3CH−|C2H5CH2−C≡CH

is [MP PET 1997]

A) 6-chloro-4-ethyl-5-methyl-hept-5-en-1-yne

B) 6-chloro-4-ethyl-5-methyl-hept-1-yn-5-ene

C) 2-chloro-4-ethyl-3-methyl-hept-2-en-6-yne

D) 2-chloro-4-ethyl-3-methyl-hept-6-yn-2-ene
View Solution play_arrow

 question_answer50) The IUPAC name of the compound having the formula

Cl3C.CH2CHO

is [MP PET/PMT 1998]

A) 3, 3, 3-trichloropropanal

B) 1, 1, 1-trichloropropanal

C) 2, 2, 2-trichloropropanal

D) Chloral
View Solution play_arrow

 question_answer51) The IUPAC name of the compound

CH3−CH−|CH3CH2−CH2−Cl

is [MP PET 1999; MH CET 2001]

A) 1-chloro-3-methylbutane

B) 2-methyl-4-chlorobutane

C) 2-methyl-1-chlorobutane

D) 1-chloropentane
View Solution play_arrow

 question_answer52) The IUPAC name of crotonaldehyde is [MP PMT 1999]

A) Prop-2-ene-1-al

B) Propenal

C) But-2-ene-1-al

D) Butenal
View Solution play_arrow

 question_answer53) IUPAC name of the following compound will be

CH3−CH=C−CH2−CH3|CH2−CH2−CH3

[CPMT 1999, 2002; Pb. CET 2001]

 A) 3-ethyl-2-hexene

B) 3-propyl-2-hexene

C) 3-propyl-3-hexene

D) 4-ethyl-4-hexene
View Solution play_arrow

 question_answer54) The IUPAC name of the following compound is

CH3−CH−CH2CH2CH3|CH(CH3)2

[Bihar CEE 1995]

A) 2-isopropylpentane

B) 2, 3-dimethylhexane

C) Isononane

D) 2, 4-dimethylhexane
View Solution play_arrow

 question_answer55) The IUPAC name of

CH3−C|Cl−|OHCH2CH=CHCH3

is [DPMT 1996]

A) 5-chloro-2-hydroxyhexene

B) 2-chloro-5-hydroxyhexene

C) 2-chloro-2-hydroxy-5-hexene

D) 2-chloro-4-hexenol-2
View Solution play_arrow

 question_answer56) IUPAC name of

CH3−C−|OH|CH3CH2−CH−|CH3CH3

is [CPMT 1996]

A) 2, 4-dimethyl pentanol-2

B) 2, 4-dimethyl pentanol-4

C) 2, 2-dimethyl butanol-2

D) None of these
View Solution play_arrow

 question_answer57) Which is correct IUPAC name of the following compound

CH3−CH−|CH3CH−CH−CH3|CH3|CH2−CH3

[Orissa JEE 1997]

A) 3-isopropyl-2-methylpentane

B) 3-ethyl-2,4-dimethylpentane
 C) 2,4-dimethyl-3-ethylpentane

D) 3-isopropyl-4-methylpentane
View Solution play_arrow

 question_answer58) IUPAC name of

CH3−CH=CH−C≡CH

is [CPMT 1997]

A) Pent-2-en-4-yne

B) Pent-3-en-1-yne

C) Pent-3-yne-1-en

D) Pent-2-yne-1-en
View Solution play_arrow

 question_answer59) The IUPAC name for the formula

CH3−C=C|H|CH3−COOH

[Pb. PMT 1998]

A) 2-methyl-2-butenoic acid

B) 3-methyl-3-butenoic acid

C) 3-methyl-2-butenoic acid

D) 2-methyl-3-butenoic acid
View Solution play_arrow

 question_answer60) IUPAC name of

CH3−C−|H|C2H5C−CH3|C4H9|CH3

is [BHU 1998; KCET (Engg./Med) 2000]

A) 2-butyl-2-methyl-3-ethylbutane

B) 2-ethyl-3, 3-dimethylheptane

C) 3, 4, 4-trimethylheptane

D) 3, 4, 4-trimethyloctane
View Solution play_arrow

 question_answer61) The IUPAC name of the compound

CH3−C=CH|OH−CH2−COOH

is [AIIMS 1998]

A) Hydroxypentenoic acid

B) 4-hydroxy-3-pentenoic acid

C) 4-hydroxy-4-pentenoic acid

D) 4-hydroxy-4-methyl-3-butenoic acid
 View Solution play_arrow

 question_answer62) Which is the IUPAC name of

CH3C−CH2Cl||C2H5C2H5

[KCET (Engg./Med.) 1999]

A) 1-chloro-2, 2-diethylpropane

B) 3-chloro-2, 2-diethylpropane

C) 1-chloro-2-ethyl-2 methylbutane

D) 1-chloro-2, 2-diethyl-2 methylethane

View Solution play_arrow

 question_answer63) The IUPAC name of the compound

CHO−(CH2)4−COOH

[DCE 1999]

A) Heaxan-1-al-6-oic acid

B) Formyl-hexanoic acid

C) Hexanal-1-carboxylic acid

D) Hexanoic acid 5-al-1

View Solution play_arrow

 question_answer64) IUPAC name of

CH3−CH=CH−COOH

[RPET 2000]

A) 2-butenoic acid

B) 1-butenoic acid

C) b-butenoic acid

D) 1-carboxy -1-propene
View Solution play_arrow

 question_answer65) IUPAC name of

(CH3)2CH−CHO

is: [RPET 2000]

A) 2-methyl propanal

B) 1-methyl-2 propanal

C) 2, 2-dimethyl propanal

D) None of these
View Solution play_arrow

 question_answer66) IUPAC name of the compound

 CH3−CH2−CH2(CH3)2−C−CH3

[RPET 2000]

A) 1, 1-dimethyl pentane

B) 2, 2-dimethyl pentane

C) 1, 2-dimethyl pentane

D) None of these
View Solution play_arrow

 question_answer67) IUPAC name of the following are

CH3−N−|CH3C−||CH3C2H5CH2−CH3

[DCE 2000]

A) 3-dimethylamino-3-methyl pentane

B) 3 (N, N-Trimethyl)-3-aminopentane

C) 3, (N, N-Trimethyl) pentanammine

D) 3-N, N dimethyl amino-3- methyl pentane

View Solution play_arrow

 question_answer68) The correct IUPAC name of

H2C=CH−CH|CH3−CH2C≡CH

[Roorkee 2000]

A) 3-methyl-1-hexen-5-yne

B) 4-methyl-5-hexen-1-yne

C) 4-(ethenyl)-1-pentyne

D) 3-(2-propenyl) butene-1
View Solution play_arrow

 question_answer69) The IUPAC name of

(CH3)2CH−CH2−CH2Br

is [MH CET 2001; CBSE PMT 2001; Pb. PMT 2004]

A) 1-bromo pentane

B) 2-methyl and 4 bromo butane

C) 1-bromo and 3-methyl butane

D) 2-methyl and 3 bromo propane

View Solution play_arrow

 question_answer70) Which C-atoms is the most electronegative in this structure

CH3III−CH2II−C≡CHI

[CPMT 2001]
 A) I

B) II

C) III

D) All are equal electronegative

View Solution play_arrow

 question_answer71) The IUPAC name of compound

CH3−C(CH3)2−CH2−CH=CH2

is [CPMT 2001]

A) 2, 2-dimethyl pent-4-ene

B) 2, 2 dimethyl-2-pentene

C) 1, 1, 1-trimethyl but-3-ene

D) 4, 4-dimethyl pent-1-ene
View Solution play_arrow

 question_answer72) Which of the following alkanes contains primary, secondary, tertiary and quaternary
carbon atoms together [MP PET 2001]

A)
(CH3)4C

B)
HCHO

C)
CH3CHO

D)
(CH3)4C
View Solution play_arrow

 question_answer73) The number of tertiary carbon atoms in the compound

(CH3)2CHCH2C (CH3)3

is [MP PMT 2001]

A) 2

B) 3

C) 1

D) 4
View Solution play_arrow

 question_answer74) The compound which has one isopropyl group is [IIT-JEE 1989; MP PMT 2001]
 A) 2, 2, 3, 3-tetramethyl pentane

B) 3, 3-dimethyl pentane

C) 2, 2, 3-trimethyl pentane

D) 2-methyl pentane
View Solution play_arrow

 question_answer75) Write the IUPAC name of

CH3−C−||HOHCH2−CH2−CH2−C||BrBr−CH3

[DCE 2001]

A) 6, 6-dibromoheptane-2-ol

B) 2, 2-dibromoheptane-6-ol

C) 6, 6 dibromoheptane-2-ol

D) None of these
View Solution play_arrow

 question_answer76) The IUPAC name of

CH3−C−||OHCH3CH2−CH|OH−CH3

is [KCET (Med.) 2001; UPSEAT 1999, 2002]

A) 4-methyl-2, 4, pentanediol

B) 1, 1-dimethyl 1, 1, 3 butanediol

C) 2-methyl-2, 4 pentanediol

D) 1, 2, 3-trimethyl-1, 3 propanediol
View Solution play_arrow

 question_answer77) IUPAC name of the following compound is [AIIMS 2003]

A) 3-methyl cyclohexene

B) 1-methyl cyclohex-2-ene

C) 6-methyl cyclohexene

D) 1-methyl cyclohex-5-ene
View Solution play_arrow

 question_answer78) The IUPAC name of the compound

CH3−C|=CH3CH2CH2OH

is [BHU 2001]

A) 2-methyl-2-butenol

B) 2-methyl-3-butenol
 C) 3-methyl-2-butenol

D) 3-methyl- but-2-ene-1-ol
View Solution play_arrow

 question_answer79) The IUPAC name of

CH3C≡CCH(CH3)2

is [UPSEAT 2001]

A) 4 methyl-2 pentyne

B) 4, 4-dimethyl-2-butyne

C) Methyl isopropyl acetylene

D) 2-methyl-4-pentyne
View Solution play_arrow

 question_answer80) Which of the following compound have wrong IUPAC name [AIEEE 2002]

A)
CH3−CH2−CH2−COO−CH2CH3
(R) ethyl butanoate

B)
CH3−CH|CH3−CH2−CHO
(R)3-methyl-butanal

C)
CH3−CH|OH−CH|CH3−CH3
(R) 2-methyl-3-butanol

D)
CH3−CH−|CH3C||O−CH2−CH3
(R)2-methyl-3 pentanone
View Solution play_arrow

 question_answer81) If
CH4

is known as methane, then

C9H20

is known as [Kerala (Med.) 2002]

A) Hexane

B) Nonane

C) Octane

D) Butane
View Solution play_arrow
 question_answer82) The IUPAC name of n-butyl chloride is [Kerala (Med.) 2002]

A) 1-chlorobutane

B) n-chlorobutane

C) ter-butylchloride

D) 2-methylbutane
View Solution play_arrow

 question_answer83) General formula of alkanes is [MP PET/PMT 2002]

A)
CnH2n+1

B)
CnH2n+2

C)
CnH2n−1

D)
CnH2n
View Solution play_arrow

 question_answer84) General formula of alkene and alkane are [MP PMT 2002]

A)
CnH2nandCnH2n+1

B)
CnH2nandCnH2n+2

C)
CnH2n−1andCnH2n

D)
CnH2n−1andCnH2n+2
View Solution play_arrow

 question_answer85) The IUPAC name of picric acid is [KCET 2002]

A) 2,4,6-trinitrophenol

B) 2,4,6-trinitrobenzoic acid

C) 4-nitrophenol

D) None of these
View Solution play_arrow
 question_answer86) General formula of paraffin is [RPMT 2002]

A)
CnH2n

B)
CnH2n−2

C)
CnH2n+2

D)
C2nH2n
View Solution play_arrow

 question_answer87) IUPAC name of compound is

CH3−CH2−CH(CH3)−CH2−COCl

[RPMT 2002]

A) 3-methyl pentanoyl chloride

B) 3-methyl butanoyl chloride

C) 1-chloro-3-methyl pentanol

D) None of these
View Solution play_arrow

 question_answer88) The name of

H3C−CH|CH3−CH|OH−CH3

IUPAC nomenclature system is [MP PMT 2002; MH CET 2002]

A) Butanol

B) 2-methyl butanol-3

C) 3-methyl butanol-2

D) Pentanol
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 question_answer89) The name of

ClH2C−C|Br=C|Br−CH2Cl

according to IUPAC nomenclature system is : [MP PMT 2002]

A) 2,3 dibromo-1, 4-dichlorobutene-2

B) 1, 4-dichloro-2, 3-bromobutene-2

C) Dichlorodibromobutene

D) Dichlorodibromobutane
 View Solution play_arrow

 question_answer90) The IUPAC name of acraldehyde is [MP PMT 2000]

A) Prop-2-ene-1-al

B) Propenyl aldehyde

C) But-2-ene-1-al

D) Propenal
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 question_answer91) IUPAC name of the compound

CH3−CH|OH−CH2−CH|CH3−CH3

is..... [Orissa JEE 2002]

A) 4-methyl pentene-2-ol

B) 2-methyl pentanol-4

C) 4, 4-dimethyl butan-2-ol

D) 4-methyl pentane-2-ol
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 question_answer92) Cycloalkane has the formula [Kerala (Engg.) 2002]

A)
CnH2n+2

B)
CnH2n−2

C)
CnH2n

D)
C2nH2
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 question_answer93) The IUPAC name of the compound

CH2=CH−CH2−CH2−C≡CH

is [CBSE PMT 2002; MP PMT 2003]

A) 1, 5-hexenyne

B) 1-hexyne-5-ene

C) 1, 5-hexynene

D) 1-hexene-5-yne
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 question_answer94) The IUPAC name of
CH3−CH|OH−CH2−CHCHO|CH3

is [JIPMER 2002]

A) 4 Hydroxy-2-methylpentanal

B) 2-hydroxy-4 methyl pentanal

C) 2-methyl pent-4-ol-1-al

D) None of these
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 question_answer95) The IUPAC name of the compound

CH3−CH(C2H5)−CH=CH−CH3

is [BHU 2002]

A) 4-ethyl-2-pentene

B) 4-methyl 2-hexene

C) 3-ethyl-2-pentene

D) 2-ethyl-3-pentene
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 question_answer96) IUPAC name of

CH3−CH|CH3−CH2−CH|CN−CH3

[AIIMS 2002]

A) 2-cyno, 3-methyl, hexane

B) 3-methyl, 5-cyanohexane

C) 2-4 dimethyl, cyanopentane

D) 2-cyno, 3-methylhexane
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 question_answer97) The IUPAC name of compound ( ) is [Kerala CET 2005]

A) (2Z, 4Z) -2, 4-hexa di-ene

B) (2Z, 4E)-2, 4 hexa di ene

C) (4Z, 4Z)-2, 4 hexa di ene

D) (2E, 4Z)-2, 4 hexa di ene

E) (2E, 4E)-2, 4 hexa di ene

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 question_answer98) Name the alkene with molecular formula

C10H20
 [Kerala (Med.) 2003]

A) Dodecene

B) Undecene

C) Decene

D) Heptene
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 question_answer99) The IUPAC name of following compounds is

HOOC−CH2−CH−CH2−CH2−COOH|COOH

[Kerala CET 2005]

A) 2-(Carboxy methyl)-pentane-1, 5-dioic acid

B) 3-Carboxy hexane -1, 6 dioic acid

C) Butane, 1, 2, 4,-Tricarboxylic acid

D) 4-Carboxy hexane-1, 6 dioic acid

E) 1, 2 dicarboxypentanoic acid
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 question_answer100) Names of some compounds are given. Which one is not in IUPAC system [CBSE PMT
2005]

A)
CH3−CH−CH−||OHCH3CH33-Methyl-2-bulanol

B)
CH3−C≡C−CH(CH3)24-Methyl-2-pentyne

C)
CH3−CH2−C−CH−|||CH2CH3CH32-Ethyl-3-methyl-bul-1-ene

D)
CH3−CH2−CH2−CH−CH−|CH3|CH2CH3CH2CH33-Methyl-4-ethyl heptane
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 question_answer101) The IUPAC name of the compound

CH3−CH2−CH−CH2|OCH3−OH

is [BHU 2004]

A) 2-methoxy-1-butanol

B) 3-methoxy-1-butanol

C) 2-methoxy-1-butanol

D) 1, 2-methoxy-butanol
 View Solution play_arrow

 question_answer102) IUPAC name of

CH3−CH−|NH2CH3

is [MH CET 2004]

A) Dimethyl amine

B) 2-aminopropane

C) Isopropylamine

D) 2-propanamine
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 question_answer103) The compound having only primary hydrogen atoms is [AIIMS 2004]

A) Isobutene

B) 2,3-Dimethylbutene

C) Cyclohexane

D) Propyne
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 question_answer104) The compound formed in the positive test for nitrogen with the lassaigne solution of an
organic compounds is [AIEEE 2004]

A)
Fe(CN)3

B)
Na3[Fe(CN)6]

C)
Fe4[Fe(CN)6]3

D)
Na4[Fe(CN)5NOS]
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 question_answer105) The IUPAC name of Gamaxene is [MP PET 2004]

A) Benzene hexachloride

B) Hexachlorobenzene

C) 1, 2, 3, 4, 5, 6, hexachlorobenzene

D) 1, 2, 3, 4, 5, 6, hexachlorocyclohexane
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 question_answer106) The IUPAC name of

 CH3−CH|Cl−CH3

is [Pb. CET 2000]

A) 2-chloropropane

B) Chloropropane

C) 1-chloropropane

D) 2-chlorobutane
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 question_answer107) The IUPAC name of

CH3−CH−|OHCH2−C−|OH|CH3CH3

and

CH2−CH−CH2|||CNCNCN

[Pb. CET 2004; DCE 2002; MNR 1984; CPMT 1983, 93; RPMT 1999]

A) 1, 1-dimethyl-1, 3-butanediol and propanetricarbyl amine

B) 4-methyl-2, 4-pentanediol and 1, 2, 3 propanetrinitrile

C) 2-methyl 2, 4-pentanediol and 3 cyano 1, 5-pentanedinitrile

D) 1, 3, 3-trimethyl 1,3-propanediol and 1, 2, 3 tricyano propane

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 question_answer108) The IUPAC name of

CH3CH2C(Br)=CH−Cl

is [CPMT 2004]

A) 2-bromo-1-chloro butane

B) 1-chloro-2-bromo-butene

C) 3-chloro-2-bromo butene-2

D) None of these
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 question_answer109) IUPAC name for the compounds [DPMT 2004]

A) a-Methyl cyclohexanone

B) 2-Methyl cyclohexanone

C) Heptanone-2

D) Methyl cyclo-hexanone
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 question_answer110) Which of the following compounds is not chiral [AIEEE 2004]

 A) 1-chloro-2-methyl pentane

B) 2-chloropentane

C) 1-chloropentane

D) 3-chloro-2-methyl pentane
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 question_answer111) IUPAC name of

CH2=CH−CH(CH3CH2)C=|BrCH2

is ?.. [JEE Orissa 2004]

A) 4-bromo-3-ethyl-1, 4-pentadiene

B) 2-bromo-3-ethyl-1, 4-pentadiene

C) 2-bromo-3-ethyl-1, 5-pentadiene

D) None of these
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 question_answer112) Write the IUPAC name of

CH3CH2COOH

[AFMC 2004]

A) Ethyl formic acid

B) Ethyl carboxylic acid

C) Ethane methanoic acid

D) Propanoic acid
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 question_answer113) IUPAC name of

H3C−CH−CH2|C2H5−CH−CH2Cl|OH

is [CPMT 1988, 93]

A) 1-chloro-4-methyl -2-hexanal

B) 1-chloro--4-ethyl-2-pentanol

C) 1-chloro-4-methyl-2-hexanol

D) 1-chloro--2-hydroxy-4-methyl hexane
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 question_answer114) IUPAC name of

(CH3)3C−CH=CH2

is [NCERT 1978, 81; IIT-JEE 1984; DPMT 1986; CPMT 1989; CBSE PMT 1991; AIIMS 1997; MP PMT 2001; KCET 2003]

A) 3,3,3-trimethyl-1-propene

B) 1,1,1-trimethyl-2-propene
 C) 3,3-dimethyl-1-butene

D) 2,2-dimethyl-3-butene
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 question_answer115) The IUPAC name of

CH3COCH(CH3)2

is [AIEEE 2003]

A) Isopropylmethyl ketone

B) 2-methyl-3-butanone

C) 4-methylisopropyl ketone

D) 3-methyl-2-butanone
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 question_answer116) What will be the IUPAC name of the given compound

CH3−CH−CH−CH2−CH−CH3||CH3CH2−CH3|CH2−CH3

[BHU 2005]

A) 2, 5 - diethyl - 4 - methylexane

B) 3, 4, 6 - trimethyloctane

C) 2, 5, 6 - trimethyloctane

D) 3, 5 - dimethyl - 6 - ehtylheptane
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 question_answer117)
H3C−C=|ClCH−CH−|CH3CH3

[KCET 2005]

A) 2-chloro-4-methyl-2-pentene

B) 4-chloro-2-methyl-3-pentene

C) 4-methyl-2-chloro-2-pentene

D) 2-chloro-4, 4-dimethyl-2-butene
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 question_answer118) The IUPAC name for

CH3CO−CH3
is [J & K 2005]

A) Dimethyl ketone

B) Acetone

C) Propanal

D) Propanone