Organic Chemistry Nomenclature practice test

Nomenclature of Organic Compounds:

Ques. The compound having only primary hydrogen atoms is
(a) Isobutene
(b) 2,3-Dimethylbutene
(c) Cyclohexane
(d) Propyne
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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
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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
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Ques. The IUPAC name of CH₃ CH₂ COCH₂CH₃ is
(a) 3-pentanone
(b) 2-pentanone
(c) Diethyl ketone
(d) All the above
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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) 120^o and 109.5^o
(b) 90^o and 109.5^o
(c) 109.5^o and 90^o
(d) 109.5^o and 120^o
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Ques. The IUPAC name for CH₃CO – CH₃ is
(a) Dimethyl ketone
(b) Acetone
(c) Propanal
(d) Propanone
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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
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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
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Ques. The IUPAC name of acraldehyde is
(a) Prop-2-ene–1–al
(b) Propenyl aldehyde
(c) But-2-ene–1–al
(d) Propenal
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Ques. The IUPAC name of CH₃CH₂COCl is
(a) Propanoyl chloride
(b) Ethanoyl chloride
(c) Acetyl chloride
(d) Chloroethane
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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
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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
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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
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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
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Ques. The number of tertiary carbon atoms in the compound (CH₃)₂CHCH₂C(CH₃)₃ is
(a) 2
(b) 3
(c) 1
(d) 4
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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
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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
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Ques. General formula of alkyne is
(a) C_nH_2n+2
(b) C_nH_2n
(c) C_nH_2n–2
(d) C_nH_n
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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
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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
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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
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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
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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
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