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ALCOHOLS, PHENOLS AND ETHER

15020 General formula of primary alcohol is

1

> C H O H

2

3

- C H_{2} O H

4

Explanation:

(c) $- O H$ group is attached to primary carbon.

ALCOHOLS, PHENOLS AND ETHER

15021 Which of following is phenolic

1 Phthalic acid

2 Phosphoric acid

3 Picric acid

4 Phenylacetic acid

ALCOHOLS, PHENOLS AND ETHER

15022 $1, 2, 3$ -trihydroxybenzene is also known as

1 Pyrogallol

2 Phloroglucinol

3 Resorcinol

4 Quinol

ALCOHOLS, PHENOLS AND ETHER

15023 Butanal is an example of

1 Primary alcohol

2 Secondary alcohol

3 Aliphatic aldehyde

4 Aliphatic ketone

Explanation:

(c)Butanal $C H_{3} - C H_{2} - C H_{2} - C H O$ , an aliphatic aldehyde.

ALCOHOLS, PHENOLS AND ETHER

15024 Cyclohexanol is a

1 Primary alcohol

2 Secondary alcohol

3 Tertiary alcohol

4 Phenol

Explanation:

(b) Cyclohexanol is a secondary alcohol because $- O H$ group is linked to $2^{o}$ carbon. 351-s16

ALCOHOLS, PHENOLS AND ETHER

15020 General formula of primary alcohol is

1

> C H O H

2

3

- C H_{2} O H

4

Explanation:

(c) $- O H$ group is attached to primary carbon.

ALCOHOLS, PHENOLS AND ETHER

15021 Which of following is phenolic

1 Phthalic acid

2 Phosphoric acid

3 Picric acid

4 Phenylacetic acid

ALCOHOLS, PHENOLS AND ETHER

15022 $1, 2, 3$ -trihydroxybenzene is also known as

1 Pyrogallol

2 Phloroglucinol

3 Resorcinol

4 Quinol

ALCOHOLS, PHENOLS AND ETHER

15023 Butanal is an example of

1 Primary alcohol

2 Secondary alcohol

3 Aliphatic aldehyde

4 Aliphatic ketone

Explanation:

(c)Butanal $C H_{3} - C H_{2} - C H_{2} - C H O$ , an aliphatic aldehyde.

ALCOHOLS, PHENOLS AND ETHER

15024 Cyclohexanol is a

1 Primary alcohol

2 Secondary alcohol

3 Tertiary alcohol

4 Phenol

Explanation:

(b) Cyclohexanol is a secondary alcohol because $- O H$ group is linked to $2^{o}$ carbon. 351-s16

ALCOHOLS, PHENOLS AND ETHER

15020 General formula of primary alcohol is

1

> C H O H

2

3

- C H_{2} O H

4

Explanation:

(c) $- O H$ group is attached to primary carbon.

ALCOHOLS, PHENOLS AND ETHER

15021 Which of following is phenolic

1 Phthalic acid

2 Phosphoric acid

3 Picric acid

4 Phenylacetic acid

ALCOHOLS, PHENOLS AND ETHER

15022 $1, 2, 3$ -trihydroxybenzene is also known as

1 Pyrogallol

2 Phloroglucinol

3 Resorcinol

4 Quinol

ALCOHOLS, PHENOLS AND ETHER

15023 Butanal is an example of

1 Primary alcohol

2 Secondary alcohol

3 Aliphatic aldehyde

4 Aliphatic ketone

Explanation:

(c)Butanal $C H_{3} - C H_{2} - C H_{2} - C H O$ , an aliphatic aldehyde.

ALCOHOLS, PHENOLS AND ETHER

15024 Cyclohexanol is a

1 Primary alcohol

2 Secondary alcohol

3 Tertiary alcohol

4 Phenol

Explanation:

(b) Cyclohexanol is a secondary alcohol because $- O H$ group is linked to $2^{o}$ carbon. 351-s16

ALCOHOLS, PHENOLS AND ETHER

15020 General formula of primary alcohol is

1

> C H O H

2

3

- C H_{2} O H

4

Explanation:

(c) $- O H$ group is attached to primary carbon.

ALCOHOLS, PHENOLS AND ETHER

15021 Which of following is phenolic

1 Phthalic acid

2 Phosphoric acid

3 Picric acid

4 Phenylacetic acid

ALCOHOLS, PHENOLS AND ETHER

15022 $1, 2, 3$ -trihydroxybenzene is also known as

1 Pyrogallol

2 Phloroglucinol

3 Resorcinol

4 Quinol

ALCOHOLS, PHENOLS AND ETHER

15023 Butanal is an example of

1 Primary alcohol

2 Secondary alcohol

3 Aliphatic aldehyde

4 Aliphatic ketone

Explanation:

(c)Butanal $C H_{3} - C H_{2} - C H_{2} - C H O$ , an aliphatic aldehyde.

ALCOHOLS, PHENOLS AND ETHER

15024 Cyclohexanol is a

1 Primary alcohol

2 Secondary alcohol

3 Tertiary alcohol

4 Phenol

Explanation:

(b) Cyclohexanol is a secondary alcohol because $- O H$ group is linked to $2^{o}$ carbon. 351-s16

ALCOHOLS, PHENOLS AND ETHER

15020 General formula of primary alcohol is

1

> C H O H

2

3

- C H_{2} O H

4

Explanation:

(c) $- O H$ group is attached to primary carbon.

ALCOHOLS, PHENOLS AND ETHER

15021 Which of following is phenolic

1 Phthalic acid

2 Phosphoric acid

3 Picric acid

4 Phenylacetic acid

ALCOHOLS, PHENOLS AND ETHER

15022 $1, 2, 3$ -trihydroxybenzene is also known as

1 Pyrogallol

2 Phloroglucinol

3 Resorcinol

4 Quinol

ALCOHOLS, PHENOLS AND ETHER

15023 Butanal is an example of

1 Primary alcohol

2 Secondary alcohol

3 Aliphatic aldehyde

4 Aliphatic ketone

Explanation:

(c)Butanal $C H_{3} - C H_{2} - C H_{2} - C H O$ , an aliphatic aldehyde.

ALCOHOLS, PHENOLS AND ETHER

15024 Cyclohexanol is a

1 Primary alcohol

2 Secondary alcohol

3 Tertiary alcohol

4 Phenol

Explanation:

(b) Cyclohexanol is a secondary alcohol because $- O H$ group is linked to $2^{o}$ carbon. 351-s16