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Organic Chemistry Nomenclature practice test

Nomenclature of Organic Compounds

Nomenclature of Organic Compounds:

Ques. The compound having only primary hydrogen atoms is
(a) Isobutene
(b) 2,3-Dimethylbutene
(c) Cyclohexane
(d) Propyne
Ans. (d)

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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
Ans. (a)

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
Ans. (c)

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
Ans. (a)

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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
Ans. (a)

Ques. The IUPAC name for CH3CO – CH3 is
(a) Dimethyl ketone
(b) Acetone
(c) Propanal
(d) Propanone
Ans. (d)

Ques. Write the IUPAC name of CH3CH2COOH
(a) Ethyl formic acid
(b) Ethyl carboxylic acid
(c) Ethane methanoic acid
(d) Propanoic acid
Ans. (d)

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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
Ans. (a)

Ques. The IUPAC name of acraldehyde is
(a) Prop-2-ene–1–al
(b) Propenyl aldehyde
(c) But-2-ene–1–al
(d) Propenal
Ans. (a)

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
Ans. (a)

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Ques. If CH4 is known as methane, then C9H20is known as
(a) Hexane
(b) Nonane
(c) Octane
(d) Butane
Ans. (b)

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
Ans. (d)

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
Ans. (d)

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Ques. Alicyclic compounds are
(a) Aromatic
(b) Aliphatic
(c) Heterocyclic
(d) Aliphatic cyclic
Ans. (d)

Ques. The number of tertiary carbon atoms in the compound (CH3)2CHCH2C(CH3)3 is
(a) 2
(b) 3
(c) 1
(d) 4
Ans. (c)

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
Ans. (a)

Related: Thermodynamics multiple choice questions and answers

Ques. IUPAC name of CH3CHO is
(a) Acetaldehyde
(b) Methyl aldehyde
(c) Ethanol
(d) Ethanal
Ans. (d)

Ques. General formula of alkyne is
(a) CnH2n+2
(b) CnH2n
(c) CnH2n–2
(d) CnHn
Ans. (c)

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
Ans. (d)

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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
Ans. (b)

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
Ans. (b)

Related: NEET AIPMT model questions for Chemistry

Ques. The IUPAC name of CH3COOC2H5 will be
(a) Ethyl acetate
(b) Ethyl ethanoate
(c) Methyl propanoate
(d) None of these
Ans. (b)

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Vishal Arora

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