The number of structural isomers possible from the molecular formula C₃H₉N is?

1. 4

2. 5

3. 2

4. 3

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

What is the name of the following reaction?

1. Friedel-Crafts reaction

2. Perkins reaction

3. Acetylation reaction

4. Schotten-Baumann reaction

What results from the electrolytic reduction of nitrobenzene in a highly acidic medium?

1. p-Aminophenol

2. Azoxybenzene

3. Azobenzene

4. Aniline

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. $C_{6}H_{5}CH_{2}N_{2}^{+}X^{-}$

Nitrobenzene on reaction with conc. HNO₃ /H₂SO₄ at 80 – 100 ºC forms:

1. 1,3– Dinitrobenzene

2. 1,4–Dinitrobenzene

3. 1,2,4–Trinitrobenzene

4. 1,2–Dinitrobenzene