Carboxylic Acid and Amines - Live Session

1.

In the following sequence of reactions,
$C H_{3} - C H - C H_{3} \overset{H N O_{2}}{\to} A \overset{O x i d a t i o n}{\to} B \to_{(i i) H^{+} / H_{2} O}^{(i) C H_{3} M g I} C$
$l$
$N H_{2}$
The compound C formed will be
1. Butanol-1
2. Butanol-2
3. 2-Methylpropanol-1
4. 2-Methylpropan-2-ol

2.

When propanoic acid is treated with aqueous sodium bicarbonate, $C O_{2}$ is liberated. The ‘C’ of $C O_{2}$ comes from
1. carboxylic acid group
2. methylene group
3. bicarbonate
4. methyl group

3.

Which carboxylic acid is least reactive towards decarboxylation on heating?
(1) $O$
$| |$
$C H_{3} - C - C H - C O O H$
$|$
$N O_{2}$
(2) $O$
$| |$
$C H_{3} - C - C H - C O O H$
$|$
$C l$
(3) $O$
$| |$
$C H_{3} - C - C H - C O O H$
$|$
$C H_{3}$
(4) $O$
$| |$
$C H_{3} - C - C H - C O O H$
$|$
$C N$

4.

The end product of the following reaction would be

(1)

(2)

(3)

(4)

5.

The correct order of increasing reactivity towards acid hydrolysis is
(I) $C H_{3} C O O C_{2} H_{5}$
(II) $C H_{3} C O C l$
(III) $C H_{3} C O N H C H_{3}$
(1) I<II<III
(2) III<I<II
(3) I<III<II
(4) II<I<III

6.

The product ‘A’ is
(1)

(2)

(3)

(4)

7.

An amide (A) $C_{3} H_{7} N O$ on hydrolysis gives an amine (B) and an acid (C). B gives carbylamine reaction where as C reduces Tollen’s reagent. (A) is
1. $C H_{3} C O N H C H_{3}$
2. $C H_{3} C H_{2} C O N O_{2}$
3. $H C O N H C_{2} H_{5}$
4. $H C O N (C H$ ₃)2

8.

Identify the product (c) in the series
$C H_{3} C N \overset{N a / C_{2} H_{5} O H}{\to} A \overset{H N O_{2}}{\to} B \overset{K M n O_{4}, H^{+}}{\to} C$
1. $C H_{3} C O O H$
2. $C H_{3} C H_{2} N H O H$
3. $C H_{3} C O N H_{2}$
4. $C H_{3} C H O$

9.

Hence, the value of 'X' is
(1) 4
(2) 3
(3) 2
(4) 1

10.

Aniline o-toluidine m-toluidine p-toluidine
(I) (II) (III) (IV)
The correct order of basic strength of the above compounds is
1. II > IV > III > I
2. IV > III > I > II
3. III > II > IV > I
4. IV > I > III > II

11.

The products A and B in the below mentioned reaction are:

1.		2.
3.		4.

12.

Mendius reaction involves the reduction of :
1. Cynoalkanes
2. Alkyl isocyanides
3. Oximes
4. Nitroalkanes

13.

A compound X having the molecular formula $C_{3} H_{9} N$ reacts with benzenesulphonyl chloride to form a solid that is insoluble in alkalies. The compound X is
(1) $C H_{3} C H_{2} C H_{2} N H_{2}$
(2) $(C H$ ₃)2CHNH2
(3) $C H_{3} C H_{2} N H C H_{3}$
(4) $(C H$ ₃)3N

14.

The major product obtained in the following is

(1)

(2)

(3)

(4)

15.

Aniline in a set of reactions yielded a product D.
$\xrightarrow[HCl]{NaNO_2}\ A\ \xrightarrow[]{CuCN}\ B\ \xrightarrow[Ni]{H_2}\ C\ \xrightarrow[]{HNO_2}\ D$
The formula of the product D in the above mentioned reaction is
1. $C_{6} H_{5} N H O H$
2. $C_{6} H_{5} N H C H_{2} C H_{3}$
3. $C_{6} H_{5} C H_{2} N H_{2}$
4. $C_{6} H_{5} C H_{2} O H$

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