Nomenclature of Organic Compounds:
Ques. The compound having only primary hydrogen atoms is
(a) Isobutene
(b) 2,3-Dimethylbutene
(c) Cyclohexane
(d) Propyne
Ques. IUPAC name of CH3 – O – C2H5 is
(a) Ethoxymethane
(b) Methoxyethane
(c) Methylethyl ether
(d) Ethylmethyl ether
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Ques. The IUPAC name of succinic acid is
(a) 1, 4-butanedioic acid
(b) Dimethyl-2-acid
(c) 1, 2-dimethyldioic acid
(d) None of these
Ques. The IUPAC name of Gamaxene is
(a) Benzene hexachloride
(b) Hexachlorobenzene
(c) 1, 2, 3, 4, 5, 6, hexachlorobenzene
(d) 1, 2, 3, 4, 5, 6, hexachlorocyclohexane
Ques. The IUPAC name of CH3 CH2 COCH2CH3 is
(a) 3-pentanone
(b) 2-pentanone
(c) Diethyl ketone
(d) All the above
Ques. Which of the following compounds is not chiral
(a) 1-chloro-2-methyl pentane
(b) 2-chloropentane
(c) 1-chloropentane
(d) 3-chloro-2-methyl pentane
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Ques. Cl – C – Cl angle in 1, 1, 2, 2 – tetrachloroethene and tetrachloromethane respectively are about
(a) 120o and 109.5o
(b) 90o and 109.5o
(c) 109.5o and 90o
(d) 109.5o and 120o
Ques. The IUPAC name for CH3CO – CH3 is
(a) Dimethyl ketone
(b) Acetone
(c) Propanal
(d) Propanone
Ques. IUPAC name of CH2 = CH – CH(CH3)2 is
(a) 1, 1-dimethyl-2-propene
(b) 3-methyl-1-butene
(c) 2-vinyl propane
(d) 1-isopropyl ethylene
Ques. Write the IUPAC name of CH3CH2COOH
(a) Ethyl formic acid
(b) Ethyl carboxylic acid
(c) Ethane methanoic acid
(d) Propanoic acid
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Ques. The IUPAC name of the compound having the formula Cl3C.CH2CHO is
(a) 3, 3, 3-trichloropropanal
(b) 1, 1, 1-trichloropropanal
(c) 2, 2, 2-trichloropropanal
(d) Chloral
Ques. The IUPAC name of acraldehyde is
(a) Prop-2-ene–1–al
(b) Propenyl aldehyde
(c) But-2-ene–1–al
(d) Propenal
Ques. The IUPAC name of CH3CH2COCl is
(a) Propanoyl chloride
(b) Ethanoyl chloride
(c) Acetyl chloride
(d) Chloroethane
Ques. IUPAC name of compound is CH3 – CH2 – CH(CH3) – CH2 – COCl
(a) 3-methyl pentanoyl chloride
(b) 3-methyl butanoyl chloride
(c) 1-chloro-3-methyl pentanol
(d) None of these
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Ques. If CH4 is known as methane, then C9H20is known as
(a) Hexane
(b) Nonane
(c) Octane
(d) Butane
Ques. IUPAC name of tertiary butyl alcohol is
(a) Butan-1-ol
(b) Butan-2-ol
(c) 2-methyl propan-1-ol
(d) 2-methyl propan-2-ol
Ques. The IUPAC name of the compound CHO – (CH2)4 – COOH
(a) Heaxan-1-al-6-oic acid
(b) Formyl-hexanoic acid
(c) Hexanal-1-carboxylic acid
(d) Hexanoic acid 5-al-1
Ques. The compound which has one isopropyl group is
(a) 2, 2, 3, 3-tetramethyl pentane
(b) 3, 3-dimethyl pentane
(c) 2, 2, 3-trimethyl pentane
(d) 2-methyl pentane
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Ques. Alicyclic compounds are
(a) Aromatic
(b) Aliphatic
(c) Heterocyclic
(d) Aliphatic cyclic
Ques. The number of tertiary carbon atoms in the compound (CH3)2CHCH2C(CH3)3 is
(a) 2
(b) 3
(c) 1
(d) 4
Ques. Which of the following alkanes contains primary, secondary, tertiary and quaternary carbon atoms together?
(a) (CH3)3CH
(b) (C2H5)3CH
(c) (CH3)3CCH2CH(CH3)2
(d) (CH3)4C
Ques. The IUPAC name of (C2H5)2CHCH2OH is
(a) 2-ethyl butanol-1
(b) 2-methyl pentanol-1
(c) 2-ethyl pentanol-1
(d) 3-ethyl butanol-1
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Ques. IUPAC name of CH3CHO is
(a) Acetaldehyde
(b) Methyl aldehyde
(c) Ethanol
(d) Ethanal
Ques. General formula of alkyne is
(a) CnH2n+2
(b) CnH2n
(c) CnH2n–2
(d) CnHn
Ques. The IUPAC name of (CH3)2CH – CH2 – CH2Br is
(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
Ques. The IUPAC name of compound CH3 – C(CH3)2 – CH2 – CH = CH2 is
(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
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Ques. The IUPAC name of CH3CH(CH3)COOH is
(a) Dimethyl acetic acid
(b) 2-methyl propanoic acid
(c) Propanoic acid
(d) Butyric acid
Ques. IUPAC name of the compound CH3 – CH2 – CH2(CH3)2 – C – CH3
(a) 1, 1-dimethyl pentane
(b) 2, 2-dimethyl pentane
(c) 1, 2-dimethyl pentane
(d) None of these
Ques. The IUPAC name of n-butyl chloride is
(a) 1-chlorobutane
(b) n-chlorobutane
(c) ter-butylchloride
(d) 2-methylbutane
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Ques. The IUPAC name of CH3COOC2H5 will be
(a) Ethyl acetate
(b) Ethyl ethanoate
(c) Methyl propanoate
(d) None of these
Ques. IUPAC name of (CH3)3C – CH = CH2 is
(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