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Nomenclature IUPAC

Total questions: 21

Worksheet time: 25mins

Name
Class
Date
1.

What is the IUPAC name of the following molecule?

a)

2-bromo-3-ethylbutane

b)

3-methyl-4-bromopentane

c)

2-ethyl-3-bromobutane

d)

2-bromo-3-methylpentane

2.

Which functional group is surrounded in the molecule?

a)

hydroxyl

b)

carboxyl

c)

carbonyl

d)

ether

3.

Which compound is not in the same homologous series as the others?

a)

C5H12

b)

C6H12

c)

C7H16

d)

C8H18

4.

What is the IUPAC name of this molecule?

a)

1,1,2,4-tetramethylpent-1-ene

b)

2,4,5-trimethylhex-4-ene

c)

2,4,5,5-tetramethylpent-4-ene

d)

2,3,5-trimethylhex-2-ene

5.

Which functional groups are present in this molecule?

a)

carbonyl, ether, nitrile

b)

carbonyl, ester, nitrile

c)

carboxyl, ether, amine

d)

carboxyl, ester, amine

6.

What is the IUPAC name of the molecule shown?

a)

2,4-dimethylhexane

b)

3,5-dimethylhexane

c)

2-methyl-4-ethylpentane

d)

2-ethyl-4-methylpentane

7.

What is the name of this compound, applying IUPAC rules?

a)

4-methylhex-2-ene

b)

4-ethylpent-2-ene

c)

2-ethylpent-3-ene

d)

3-methylhex-4-ene

8.

IUPAC name of the given compound is :

a)

1-Ethoxy-2, 2-dimethylcyclohexane

b)

2-ethoxy-1, 1-dimethylcyclohexane

c)

1,1-Dimethyl-2-ethoxycyclohexane

d)

2-methyl-1,1-ethoxycyclohexane

9.

a)

2,3,3-trimethylhexane

b)

4,4,5-trimethylhexane

10.

a)

1-bromo-3,3-dicholoro-1-methylpropane

b)

2-bromo-4,4-dicholorobutane

c)

3-bromo-1,1-dichlorobutane

11.

Which is the structures with IUPAC nomenclature


2,2,4-trimethylpentane

a)
b)
c)
d)
12.

Which of the correct following step to numbering parent chain?

a)
b)
c)
d)
13.

Give IUPAC nomenclature for this compound

a)

2,7-dimethyl-5-ethyloctane

b)

5-ethyl-2,7-dimethyloctane

c)

2,7-dimethyl-3-ethyloctane

d)

4-ethyl-2,7-dimethyloctane

14.

What is the IUPAC name of the following alkane?

a)

propylcylopropane

b)

cyclopropylpropane

c)

ethylcyclopropane

d)

cycopropylethane

15.

What is the IUPAC name the following compound?

a)

Z-2-methylpropene

b)

E -2-methylpropene

c)

2-methylpropene

d)

2-methyl-2-propene

16.

Choose the correct position of the substituents of the following compound.

a)

2-ethyl and 3-methyl

b)

3-ethyl and 4-methyl

c)

1-ethyl and 2-methyl

d)

3-methyl and 4-ethyl

17.
a)

2 - Ethyl pentane

b)

2 - Ethyl pent - 3 - ene

c)

2 - Ethyl pent - 1 - ene

d)

2 - Ethyl pent - 2 - ene

18.

Find the IUPAC name

a)

2, 4, 4 - Trimethyl pentane

b)

2, 2, 4 - Trimethyl pentane

c)

2, 2, 4 - Trimethyl butane

d)

2, 3, 4 - Trimethyl pentane

19.

Give IUPAC nomenclature for this compound

a)

2,7-dimethyl-5-ethyloctane

b)

5-ethyl-2,7-dimethyloctane

c)

2,7-dimethyl-3-ethyloctane

d)

4-ethyl-2,7-dimethyloctane

20.
How many carbons are in the longest chain of the following molecule:
a)
11
b)
10
c)
9
d)
8
21.
a)
2,3-dimethyl-4,4-diethyl heptane
b)
2,3-methyl-4,4-ethyl heptane
c)
4,4-ethyl-2,3-methyl heptane
d)
4,4-diethyl-2,3-dimethyl heptane

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