Organic Chemistry I: Hydrocarbons - SS2 Chemistry Past Questions and Answers (page 1)

1

Which of the following hydrocarbons belongs to the alkane family?

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A

Ethyne

B

Ethene

C

Ethane

D

Benzene

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2

What is the general formula for alkenes?

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A

CnH2n+2

B

CnH2n

C

CnH2n-2

D

CnH2n-4

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3

Which of the following hydrocarbons is an example of an aromatic compound?

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A

Methane

B

Ethene

C

Ethyne

D

Benzene

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4

Which functional group is present in an aldehyde?

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A

Hydroxyl (-OH)

B

Carbonyl (C=O)

C

Carboxyl (-COOH)

D

Amino (-NH2)

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5

How many sigma bonds are present in a molecule of propane (C3H8)?

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A

3

B

4

C

5

D

6

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6

Which of the following hydrocarbons is an example of a cycloalkane?

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A

Ethane

B

Ethene

C

Benzene

D

Cyclohexane

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7

What is the general formula for alkynes?

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A

CnH2n+2

B

CnH2n

C

CnH2n-2

D

CnH2n-4

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8

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

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A

Methane (CH4)

B

Ethene (C2H4)

C

Ethanol (C2H5OH)

D

Chloroform (CHCl3)

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9

Which of the following hydrocarbons is classified as a saturated hydrocarbon?

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A

Benzene

B

Ethyne

C

Ethene

D

Propane

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10

Which functional group is present in alcohol?

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A

Hydroxyl (-OH)

B

Carbonyl (C=O)

C

Carboxyl (-COOH)

D

Amino (-NH2)

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Organic Chemistry I: Hydrocarbons - SS2 Chemistry Past Questions and Answers - page 1