In the chemical reactions,

the compounds 'A' and 'B', respectively, are:

1. Nitrobenzene and chlorobenzene

2. Nitrobenzene and fluorobenzene

3. Phenol and benzene

4. Benzene diazonium chloride and fluorobenzene

The product (A) in the below-mentioned reaction is:

1.		2.
3.		4.

 The structure of C in the below-mentioned reaction is: 

1.
2.
3.
4.

The most stable diazonium salt among the following is: 

1. \(CH_{3}N_{2}^{+}X^{-}\)

2. \(C_{6}H_{5}N_{2}^{+}X^{-}\)

3. \(CH_{3}CH_{2}N_{2}^{+}X^{-}\)

4. \(C_{6}H_{5}CH_{2}N_{2}^{+}X^{-}\)

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. $C_6{H}_{5}NHOH$

2. $C_6{H}_{5}NHC{H}_{2}C{H}_3$

3. $C_6{H}_{5}C{H}_{2}N{H}_2$

4. $C_6{H}_{5}C{H}_{2}OH$

Match the reactions given in Column I with the statements given in Column II.

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