The correct increasing order of basic strength of the given molecules is:

(I)	(II)	(III)

1. III < I < II

2. III < II < I

3. II < I < III

4. II < III < I

A nitro-compound among the following that does not react with nitrous acid is:

1.		2.
3.		4.

A nitrogen-containing aromatic compound A reacts with Sn/HCl, followed by HNO₂ to give an unstable compound B. On treatment with phenol, B forms a beautiful coloured compound C with the molecular formula C₁₂H₁₀N₂O. The structure of compound A is:

1.		2.
3.		4.

The correct statement regarding the basicity of arylamines is:

Mark the reaction that does not yield aniline from the given options:

The product (A) 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. \(C_{6}H_{5}CH_{2}N_{2}^{+}X^{-}\)

The incorrect statement among the following regarding the primary amine is:

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

1.
2.
3.
4.