Chapter 18

Chemistry in 30 days · 26 exercises

Problem 1

The IUPAC name of CC(C)C(=O)O is (a) 2-ethylpropanoic acid (b) 2 -methylbutanoic acid (c) ethylmethylacetic acid (d) 2-carboxybutane

5 step solution

Problem 2

The formula of propanenitrile is (a) \(\mathrm{CH}_{2} \mathrm{CN}\) (b) \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{CN}\) (c) \(\mathrm{C}_{\mathrm{H}}_{7} \mathrm{CN}\) (d) \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{NC}\)

4 step solution

Problem 3

The IUPAC name of \(\mathrm{CH}=\mathrm{C}-\mathrm{CH}_{2}-\mathrm{CN}\) is (a) 3-cyanopropyne (b) 2-propynyl cyanide (c) 2-propynenitrile (d) 3-butynenitrile

4 step solution

Problem 6

The IUPAC name of(a) 7-bromobicyclo [4.2.0]-2-octene (b) 2 -bromobicyclo \([4.2 .0]-5\)-octene (c) 8 -bromobicyclo [2.4.0]-4-octene (d) 6 -bromobicyclo [4.2.0]-1-octene

4 step solution

Problem 7

Ethanoyl chloride is the IUPAC name of (a) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Cl}\) (b) \(\mathrm{CH}_{3} \mathrm{COCl}\) (c) \(\mathrm{CCl}_{3} \mathrm{CHO}\) (d) \(\mathrm{CH}_{2} \mathrm{ClCOOH}\)

6 step solution

Problem 8

The IUPAC name of \(\mathrm{CH}_{3} \mathrm{CH}=\mathrm{CH}-\mathrm{C}\) a \(\mathrm{CH}\) is (a) 1 -pentyn-3-ene (b) 3 -penten-1-yne (c) 2-penten-4-yne (d) 4-pentyn-2-ene

4 step solution

Problem 9

The correct decreasing order of preference of functional groups during the IUPAC nomenclature of polyfunctional compounds is (a) \(-\mathrm{COOH},-\mathrm{CHO},-\mathrm{OH},-\mathrm{NH}_{2}\) (b) \(-\mathrm{NH}_{2},-\mathrm{OH},-\mathrm{CHO},-\mathrm{COOH}\) (c) \(-\mathrm{COOH},-\mathrm{OH},-\mathrm{NH}_{2},-\mathrm{CHO}\) (d) \(-\mathrm{COOH},-\mathrm{NH}_{2},-\mathrm{CHO},-\mathrm{OH}\)

4 step solution

Problem 10

The IUPAC name of \(\mathrm{Cl}_{2} \mathrm{CHCHBrCl}\) is (a) 1 -bromo-1,2,2-trichloroethene (b) \(1,1,2\)-trichloro-2-bromoethene (c) 1-bromo-1,2,2-trichloroethane (d) 2 -bromo-1,1,2-trichloroethane

5 step solution

Problem 11

The IUPAC name of(a) 1 -amino-2-hydroxycyclohexane (b) 2 -amino- 1 -hydroxycyclohexane (c) 2 -hydroxycyclohexanamine (d) 2-aminocyclohexanol

4 step solution

Problem 12

The IUPAC name of(a) 3 -hydroxycyclohexene (b) cyclohexen-3-ol (c) cyclohex-2-en-1-ol (d) 2 -ene-cyclohexan-1-ol

5 step solution

Problem 13

The IUPAC name of the following compound is \(\mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{CH}=\mathrm{CH}-\mathrm{C}=\mathrm{CH}\) (a) hex-1-yn-3-ene (b) hex-5-yn-3-ene (c) hex-3-en-1-yne (d) hex-3-en-5.yne

4 step solution

Problem 14

The IUPAC name of(a) methanoyleyclohexane (b) formyleyciomexow (c) eyclohexanal (d) cyclohexanecarbaldehyde

5 step solution

Problem 15

The IUPAC name of(a) 2-trichloromethyl-2-propanol (b) 2 -hydroxy-2-trichloromethylpropane (c) \(1,1,1\)-trichloro- 2 -hydroxy-2-methylpropane (d) \(1,1,1\)-trichloro-2-methyl-2-propanol

4 step solution

Problem 16

The IUPAC name of(a) bicyclo [3.2.0] hexan-2-ol (b) spiro [3.2] hexan-1-ol (c) spiro [3.2] hexan-4-ol (d) spiro \([2,3]\) hexan-4-ol

6 step solution

Problem 17

Write the IUPAC name of \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOH}\). (a) Ethyl formic acid (b) Ethyl carboxylic acid (c) Ethane methanoic acid (d) Propanoic acid

4 step solution

Problem 18

The IUPAC name of \(\mathrm{CH}_{3} \mathrm{OC}_{2} \mathrm{H}_{5}\) is (a) ethoxy methane (b) methoxy ethane (c) ethyl methyl ether I(d) methyl ethyl ether

4 step solution

Problem 19

The correct IUPAC name for CCC(C)C=O is (a) butan-2-aldehyde (b) 2-methylbutanal (c) 3 -methylisobutyraldehyde (d) 2 -ethylpropanal

5 step solution

Problem 22

The IUPAC name of the compound(a) 3,3 -dimethiyl-1-hydroxy cyclohexane (b) 1,1 -dimethyl-3-hydroxy cyclohexane (c) \(3.3\)-dimethyl-I-cyclohexanol (d) 1.1-dimethyl-3-cyclohexanol

6 step solution

Problem 23

The IUPAC name of(a) 3-ethyl-4, 4-dimethylheptane (b) 1,1 -diethyl-2, 2-dimethylpentane (c) 4,4 -dimethyl- 5 , 5 -diethylpentane (d) 5,5 -diethyl-4, 4-dimethylpentane

5 step solution

Problem 26

The IUPAC name of the compound CC(O)CC(C)C=O is (a) 4 -hydroxy-1-methylpentanal (b) 4 -hydroxy-2-methylpentanal (c) 2 -hydroxy-4-methylpentanal (d) 2 -hydroxy-2-methylpentanal

5 step solution

Problem 28

The IUPAC name of the compound(a) 1.1-dimethylbutane- 1,3 -diol (b) 1.3.3-Trimethylpropane-1, 3 -diol (c) 2 -methylpentane \(-2,4\)-diol (d) \(1,3,3\)-Trimethyl-1,3-propanediol

5 step solution

Problem 30

The IUPAC name for(a) cyclohexane nitrile (b) cyclohexane carbonitride (c) cyclopentane nitride (d) cyclopentane carbonitrile

5 step solution

Problem 32

The correct IUPAC name is (a) pent-2-en-4-yne (b) pent-3-en-1-yne (c) pent-I-yn-3-ene (d) pent-4-yn-2-ene

7 step solution

Problem 33

The correct IUPAC name is (a) 2-chloro cyclohexanal (b) 2 -chloro cyclohexanal (c) 2 -chloro cyclohexane carbaldehyde (d) 2-aldo-chloro cyclohexane

5 step solution

Problem 34

The correct IUPAC name is (a) 3 -chloro-4-bromo butene nitrile (b) 2 -bromo-3-chloro butane nitrile (c) 3 -chloro-4-bromo pentene nitrile (d) 4-Bromo-3-chloro pentane nitrile

6 step solution

Problem 35

Which of the following gets the highest priority in naming? (a) \(-\mathrm{SO}_{3} \mathrm{H}\) (b) CC(C)=O (c) \(-\mathrm{COCl}\) (d) \(-\mathrm{CN}\)

4 step solution

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