Free Printable Unit 2–Alkanes, Alkenes, Alkynes

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Worksheets

Unit 2–Alkanes, Alkenes, Alkynes

Total questions: 20

Worksheet time: 31mins

Name

Class

Date

1.

What is the structure of 2-methyl pent-2-ene ?

a)

a

b)

b

c)

c

d)

d

2.

Which is the structures with IUPAC nomenclature

2,2,4-trimethylpentane

a)

b)

c)

d)

3.

Which is the name of this compound?

a)

3-ethyl-2,2-dimethylhex-3-yne

b)

4-ethyl-5,5-methylhex-2-yne

c)

4-butylhex-2-yne

d)

4-ethyl-5,5-dimethylhex-2-yne

4.

Give the IUPAC name for this compound

a)

3-methyl-4-ethylhexane

b)

3-ethyl-4-methylhexane

c)

3-methyl-4-ethylheptane

d)

3-ethyl-4-methylheptane

5.

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

6.

Name this molecule

a)

2-methyl-pent-1-yne-3-ene

b)

1-methyl-pent-1-yne-3-ene

c)

2-methyl-pent-1-ene-3-yne

d)

1-methyl-pent-1-ene-3-yne

7.

Name this molecule:

a)

trifluoro-1-methylmethane

b)

1,1,1-trifluoromethane

c)

trifluorethane

d)

1,1,1-trifluoroethane

8.

How many carbons are in the backbone (longest chain) of this organic compound: 2,3,3-triethyl-4-nonene

a)

2

b)

6

c)

7

d)

9

9.

How many carbons are in the longest chain of the following molecule:

a)

11

b)

10

c)

9

d)

8

10.

Name the compound.

a)

nonene

b)

2,2-dimethyl-3-heptene

c)

1,1,5-trimethyl-2-hexene

d)

2,6-dimethyl-3-heptene

11.

Which reagent is needed to change CH₃CH=CH₂to CH₃CHClCH₃

a)

Cl₂ (aq)

b)

SOCl₂

c)

PCl₃

d)

HCl

12.

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

13.

Deduce the structure for A

a)

b)

c)

d)

14.

Deduce the structure for B

a)

b)

c)

d)

15.

Deduce the structure for C

a)

b)

c)

d)

16.

Deduce the structure for E

a)

b)

c)

d)

17.

Which the CORRECT reagent and condition for A

a)

HBr

b)

Cl₂, H₂O

c)

H₂, Ni

d)

HBr, H₂O₂

18.

Which the CORRECT reagent and condition for B

a)

H₂O, H⁺

b)

Cl₂, H₂O

c)

H₂, Ni

d)

HBr, H₂O₂

19.

Which the CORRECT reagent and condition for C

a)

H₂O, H⁺

b)

HBr

c)

Cl₂, H₂O

d)

HBr, H₂O₂

20.

Which the CORRECT reagent and condition for E

a)

Cl₂, H₂O

b)

H₂O, H⁺

c)

HBr, H₂O₂

d)

Cl₂, CH₂Cl₂

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