Question 1

1. Which of the following is an example of an aldehyde?

Accepted Answer

Formaldehyde

Answer

Ethanol

Answer

Methanoic acid

Answer

Acetone

Question 2

2.  Which of the following compounds is a ketone?

Accepted Answer

Acetophenone

Answer

Methanol

Answer

Ethanoic acid

Answer

Butyraldehyde

Question 3

3.  Which of the following is a carboxylic acid?

Accepted Answer

Acetic acid

Answer

Propionaldehyde

Answer

Benzaldehyde

Answer

Butanol

Question 4

4.  Which of the following aldehydes is commonly found in fruits?

Accepted Answer

Benzaldehyde

Answer

Methanal

Answer

Acetophenone

Answer

Propanal

Question 5

5.  Which of the following is a characteristic of aldehydes?

Accepted Answer

Aldehydes have a carbonyl group at the end of a carbon chain.

Answer

Aldehydes have a double bond at the end of a carbon chain.

Answer

Aldehydes have a hydroxyl group at the end of a carbon chain.

Answer

Aldehydes have a carboxyl group at the end of a carbon chain.

Question 6

6.  Which of the following compounds is an example of a ketone?

Accepted Answer

Acetone

Answer

Butyric acid

Answer

Formaldehyde

Answer

Methanol

Question 7

7.  Which of the following compounds undergoes oxidation to form a carboxylic acid?

Accepted Answer

Ethanol

Answer

Butanol

Answer

Ethene

Answer

Methanol

Question 8

8.  Which of the following compounds can be prepared by the oxidation of a primary alcohol?

Accepted Answer

Ethanal

Answer

Propanol

Answer

Methanol

Answer

Butanone

Question 9

9.  Which of the following compounds is an example of an aromatic carboxylic acid?

Accepted Answer

Benzoic acid

Answer

Propionic acid

Answer

Formic acid

Answer

Acetic acid

Question 10

10.  Which of the reactions below can result in ketones?

Accepted Answer

Oxidation of Secondary alcohols

Answer

Dehydrogenation of Tertiary alcohols

Answer

Dehydrogenation of Primary alcohols

Answer

Oxidation of Primary alcohols

Question 11

11.  The Rosenmund reaction can produce which of the following carbonyl compounds?

Accepted Answer

Benzaldehyde

Answer

Acetone

Answer

Methanal

Answer

Butanone

Question 12

12.  Reactions occur between Aldehydes and Ketones .....................

Accepted Answer

Nucleophilic addition

Answer

Nucleophilic substitution

Answer

Electrophilic addition

Answer

Electrophilic substitution

Question 13

13.  Which of the following compound is formed when benzyl alcohol is oxidised with KMnO4?

Accepted Answer

Benzoic acid

Answer

CO2 and H2O

Answer

Benzaldehyde

Answer

Benzophenone

Question 14

14.  Which of the following substances is least water-soluble?

Accepted Answer

Pentanal

Answer

Propanone

Answer

Methanal

Answer

Ethanal

Question 15

15.

Accepted Answer

1

Answer

4

Answer

3

Answer

2

Question 16

16.

Accepted Answer

2

Answer

4

Answer

3

Answer

1

Question 17

17.

Accepted Answer

1

Answer

2

Answer

3

Answer

4

Question 18

18.

Accepted Answer

2

Answer

3

Answer

1

Answer

4

Question 19

19.

Accepted Answer

1

Answer

3

Answer

4

Answer

2

Question 20

20.

Accepted Answer

a

Answer

c

Answer

d

Answer

b

Question 21

21.

Accepted Answer

a

Answer

b

Answer

d

Answer

c

Question 22

22.

Accepted Answer

a

Answer

b

Answer

d

Answer

c

Question 23

23.

Accepted Answer

b

Answer

c

Answer

a

Answer

d

Question 24

24.

Accepted Answer

c

Answer

b

Answer

a

Answer

d

Question 25

25.

Accepted Answer

c

Answer

d

Answer

b

Answer

a

Question 26

26.

Accepted Answer

c

Answer

a

Answer

b

Answer

d

Question 27

27.

Accepted Answer

a

Answer

d

Answer

b

Answer

c

Question 28

28.

Accepted Answer

a

Answer

b

Answer

d

Answer

c

Question 29

29.

Accepted Answer

c

Answer

b

Answer

d

Answer

a

Question 30

30.  IUPAC Name of Crotonaldehyde is ...............

Accepted Answer

But-2-enal

Answer

But-2-anal

Answer

But-2-ynal

Answer

2-Butanal

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