QBManager

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28017 Formaldehyde and formic acid can be distinguished using

1 Tollen's reagent

2 Fehling solution

3 Ferric chloride

4 Sodium bicarbonate

Explanation:

(d) $H C O O H + N a H C O_{3} \to H C O O N a + H_{2} O + C O_{2}$
$H C H O + N a H C O_{3} \to N o r e a c t i o n$

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28018 Ester and acetamide are distinguished by

1 Hydrolysis with strong acids or alkali

2 Derivatives of fatty acids

3 Both

(a)

and

(b)

4 None of these

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28019 Acetic acid exists as a dimer in benzene solution. This is due to

1 Condensation

2 Presence of

- C O O H

group

3 Presence of

α -

hydrogen

4 Hydrogen bonding

Explanation:

(d)Due to $H -$ bonding 362-s37

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28020 Which of the following compounds will react with $N a H C O_{3}$ solution to give sodium salt and carbon dioxide

1 Phenol

2

n -

hexanol

3 Acetic acid

4 Both

(a)

and

(b)

Explanation:

(c) $C H_{3} C O O H + N a H C O_{3} \to C H_{3} C O O N a + H_{2} O + C O_{2}$

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28021 Acetic acid dissolved in benzene shows a molecular mass of

1

30

2

60

3

120

4

240

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28017 Formaldehyde and formic acid can be distinguished using

1 Tollen's reagent

2 Fehling solution

3 Ferric chloride

4 Sodium bicarbonate

Explanation:

(d) $H C O O H + N a H C O_{3} \to H C O O N a + H_{2} O + C O_{2}$
$H C H O + N a H C O_{3} \to N o r e a c t i o n$

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28018 Ester and acetamide are distinguished by

1 Hydrolysis with strong acids or alkali

2 Derivatives of fatty acids

3 Both

(a)

and

(b)

4 None of these

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28019 Acetic acid exists as a dimer in benzene solution. This is due to

1 Condensation

2 Presence of

- C O O H

group

3 Presence of

α -

hydrogen

4 Hydrogen bonding

Explanation:

(d)Due to $H -$ bonding 362-s37

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28020 Which of the following compounds will react with $N a H C O_{3}$ solution to give sodium salt and carbon dioxide

1 Phenol

2

n -

hexanol

3 Acetic acid

4 Both

(a)

and

(b)

Explanation:

(c) $C H_{3} C O O H + N a H C O_{3} \to C H_{3} C O O N a + H_{2} O + C O_{2}$

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28021 Acetic acid dissolved in benzene shows a molecular mass of

1

30

2

60

3

120

4

240

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28017 Formaldehyde and formic acid can be distinguished using

1 Tollen's reagent

2 Fehling solution

3 Ferric chloride

4 Sodium bicarbonate

Explanation:

(d) $H C O O H + N a H C O_{3} \to H C O O N a + H_{2} O + C O_{2}$
$H C H O + N a H C O_{3} \to N o r e a c t i o n$

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28018 Ester and acetamide are distinguished by

1 Hydrolysis with strong acids or alkali

2 Derivatives of fatty acids

3 Both

(a)

and

(b)

4 None of these

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28019 Acetic acid exists as a dimer in benzene solution. This is due to

1 Condensation

2 Presence of

- C O O H

group

3 Presence of

α -

hydrogen

4 Hydrogen bonding

Explanation:

(d)Due to $H -$ bonding 362-s37

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28020 Which of the following compounds will react with $N a H C O_{3}$ solution to give sodium salt and carbon dioxide

1 Phenol

2

n -

hexanol

3 Acetic acid

4 Both

(a)

and

(b)

Explanation:

(c) $C H_{3} C O O H + N a H C O_{3} \to C H_{3} C O O N a + H_{2} O + C O_{2}$

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28021 Acetic acid dissolved in benzene shows a molecular mass of

1

30

2

60

3

120

4

240

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28017 Formaldehyde and formic acid can be distinguished using

1 Tollen's reagent

2 Fehling solution

3 Ferric chloride

4 Sodium bicarbonate

Explanation:

(d) $H C O O H + N a H C O_{3} \to H C O O N a + H_{2} O + C O_{2}$
$H C H O + N a H C O_{3} \to N o r e a c t i o n$

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28018 Ester and acetamide are distinguished by

1 Hydrolysis with strong acids or alkali

2 Derivatives of fatty acids

3 Both

(a)

and

(b)

4 None of these

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28019 Acetic acid exists as a dimer in benzene solution. This is due to

1 Condensation

2 Presence of

- C O O H

group

3 Presence of

α -

hydrogen

4 Hydrogen bonding

Explanation:

(d)Due to $H -$ bonding 362-s37

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28020 Which of the following compounds will react with $N a H C O_{3}$ solution to give sodium salt and carbon dioxide

1 Phenol

2

n -

hexanol

3 Acetic acid

4 Both

(a)

and

(b)

Explanation:

(c) $C H_{3} C O O H + N a H C O_{3} \to C H_{3} C O O N a + H_{2} O + C O_{2}$

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28021 Acetic acid dissolved in benzene shows a molecular mass of

1

30

2

60

3

120

4

240

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28017 Formaldehyde and formic acid can be distinguished using

1 Tollen's reagent

2 Fehling solution

3 Ferric chloride

4 Sodium bicarbonate

Explanation:

(d) $H C O O H + N a H C O_{3} \to H C O O N a + H_{2} O + C O_{2}$
$H C H O + N a H C O_{3} \to N o r e a c t i o n$

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28018 Ester and acetamide are distinguished by

1 Hydrolysis with strong acids or alkali

2 Derivatives of fatty acids

3 Both

(a)

and

(b)

4 None of these

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28019 Acetic acid exists as a dimer in benzene solution. This is due to

1 Condensation

2 Presence of

- C O O H

group

3 Presence of

α -

hydrogen

4 Hydrogen bonding

Explanation:

(d)Due to $H -$ bonding 362-s37

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28020 Which of the following compounds will react with $N a H C O_{3}$ solution to give sodium salt and carbon dioxide

1 Phenol

2

n -

hexanol

3 Acetic acid

4 Both

(a)

and

(b)

Explanation:

(c) $C H_{3} C O O H + N a H C O_{3} \to C H_{3} C O O N a + H_{2} O + C O_{2}$

ALDEHYDES, KETONES AND CARBOXYLIC ACID

28021 Acetic acid dissolved in benzene shows a molecular mass of

1

30

2

60

3

120

4

240

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Question Bank Series

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation:

Explanation: