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Class 9 Quiz on Hydrocarbons and Organic Chemistry

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What is the general formula for alkanes?

a)

CnH2n+2

b)

CnH2n-2

c)

CnH2n

d)

CnH2n+1

2.

Which of the following is a saturated hydrocarbon?

a)

Acetylene

b)

Ethylene

c)

Methane

d)

Butene

3.

What is the property of carbon that allows it to form long chains?

a)

Tetra valency

b)

Catenation

c)

Isomerism

d)

Hydrogenation

4.

Which of the following compounds is an example of an alkene?

a)

C2H6

b)

C3H8

c)

C2H4

d)

C4H10

5.

What type of reaction do alkenes typically undergo?

a)

Hydrolysis reactions

b)

Addition reactions

c)

Substitution reactions

d)

Elimination reactions

6.

Which of the following is a characteristic of alkynes?

a)

Contain only single bonds

b)

Contain at least one triple bond

c)

Are less reactive than alkanes

d)

Have the formula CnH2n+2

7.

What is the term for compounds with the same molecular formula but different structures?

a)

Polymers

b)

Homologues

c)

Isomers

d)

Functional groups

8.

Which of the following is a source of organic compounds?

a)

Coal

b)

Water

c)

Iron

d)

Sand

9.

What is the primary suffix for alkenes?

a)

-ane

b)

-ene

c)

-ol

d)

-yne

10.

Which of the following is a property of saturated hydrocarbons?

a)

Have lower boiling points than unsaturated hydrocarbons

b)

More reactive than unsaturated hydrocarbons

c)

Contain double bonds

d)

Only contain single bonds

11.

Which of the following is a characteristic of saturated hydrocarbons?

a)

Contain at least one double bond

b)

Are generally more stable than unsaturated hydrocarbons

c)

Have a higher reactivity than alkenes

d)

Are typically gases at room temperature

12.

Which of the following compounds is an example of a saturated hydrocarbon?

a)

C3H6

b)

C2H2

c)

C4H10

d)

C5H8

13.

What is the primary suffix for alkynes?

a)

-ene

b)

-yne

c)

-ane

d)

-ol

14.

Which of the following is a characteristic of alkenes?

a)

Contain only single bonds

b)

Contain at least one double bond

c)

Are more stable than alkynes

d)

Have the formula CnH2n

15.

What type of reaction do alkynes typically undergo?

a)

Hydrolysis reactions

b)

Substitution reactions

c)

Elimination reactions

d)

Addition reactions

16.

Which of the following compounds is an example of an unsaturated hydrocarbon?

a)

C4H10

b)

C2H2

c)

C3H8

d)

C5H12

17.

Which of the following is a property of alkynes?

a)

Contain only single bonds

b)

Contain at least one triple bond

c)

Have a higher boiling point than alkenes

d)

Are less stable than alkanes

18.

What is the general formula for alkynes?

a)

CnH2n

b)

CnH2n-2

c)

CnH2n+2

d)

CnH2n-1

19.

Which of the following compounds is an example of a cyclic hydrocarbon?

a)

C6H12

b)

C2H4

c)

C3H6

d)

C4H10

20.

What is the general formula for alkenes?

a)

CnH2n

b)

CnH2n-2

c)

CnH2n+2

d)

CnH2n-1

21.

Which of the following compounds is an example of a saturated hydrocarbon?

a)

C2H4

b)

C3H8

c)

C5H10

d)

C2H2

22.

What type of reaction do saturated hydrocarbons typically undergo?

a)

Substitution reactions

b)

Elimination reactions

c)

Addition reactions

d)

Hydrolysis reactions

23.

What is the primary suffix for alkanes?

a)

-ene

b)

-yne

c)

-ane

d)

-ol

24.

Which of the following compounds is an example of an aromatic hydrocarbon?

a)

C6H6

b)

C4H10

c)

C2H4

d)

C3H8

25.

What type of reaction do unsaturated hydrocarbons typically undergo?

a)

Substitution reactions

b)

Elimination reactions

c)

Addition reactions

d)

Hydrolysis reactions