In the following sequence of reactions

${\mathrm{CH}}_3-\underset{{\mathrm{NH}}_2}{\underset{|}{\mathrm{CH}}}-{\mathrm{CH}}_3\stackrel{{\mathrm{HNO}}_2}{\to }\mathrm{A}\stackrel{\mathrm{oxidation}}{\to }\mathrm{B}\underset{\left(\mathrm{ii}\right) {\mathrm{H}}^{+}/{\mathrm{H}}_2\mathrm{O}}{\overset{\left(\mathrm{i}\right){\mathrm{CH}}_3\mathrm{MgI}}{\to }}\mathrm{C}$

The compound C formed will be
1. Butanol-1
2. Butanol-2
3. 2-Methylpropanol-1
4. 2-Methylpropan-2-ol

$\underset{\left(2\right){\mathrm{Br}}_2/\mathrm{KOD}}{\overset{\left(1\right){\mathrm{NH}}_3,∆}{\to }}A,\left(Major\right)$

The product ‘A’ is

The final product in the following sequence of reaction
is:

$\stackrel{}{{\mathrm{}}_{}}$

Consider the following reaction,

Choose the correct alternatives about the product(P)

1. Product P contains a cyclic ring with one $\mathrm{\pi }$ -bond

2. Product P has an open chain with only one $\mathrm{\pi }$ -
bond

3. N-atom in the product is sp² -hybridised.

4. Product P could be 

Identify ‘X’ in the following sequence of reaction:

$\underset{\mathrm{KCN}}{\overset{\mathrm{CuCN}}{\to }}P\stackrel{LiAl{H}_4}{\to }Q\stackrel{HN{O}_2}{\to }X$

1. Benzoic acid

2. Phenyl acetic acid

3. Benzyl alcohol

4. Benzamide

A compound X having the molecular formula C₃H₉N
reacts with benzene sulphonyl chloride to form a solid
that is insoluble in alkalies. The compound X is
1. CH₃CH₂CH₂NH₂
2. (CH₃)₂CHNH₂
3. CH₃CH₂NHCH₃
4. (CH₃)₃N

Mendius reaction involves the reduction of :
1. Cynoalkanes

2. Alkyl isocyanides

3. Oximes

4. Nitroalkanes

$B\stackrel{{\mathrm{SnCl}}_2+\mathrm{HCl}}{\leftarrow }$$\stackrel{{\mathrm{NH}}_4\mathrm{HS}}{\to }A$

The product A and B are:

Aniline    o-toluidine     m-toluidine    p-toluidine
(I)              (II)               (III)              (IV)

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

$\underset{0°-5°\mathrm{C}}{\overset{{\mathrm{NaNO}}_2+\mathrm{HCl}}{\to }}$X moles of ${\mathrm{N}}_2$ gas

Hence, the value of ‘X’ is

1. 4

2. 3

3. 2

4. 1