Which one of the following compounds exhibits geometrical isomerism?

1.		2.
3.		4.

The major product of the following reaction is:

1.		2.
3.		4.

The correct sequence of reagents used in the preparation of 4-Bromo-2-nitro-1-ethyl benzene from benzene is:$\begin{array}{l}\end{array}$

Consider the following reaction, 

The major product in the above reaction is:

1.		2.
3.		4.

The correct reagent that is used for the following reaction is: 

${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_3\stackrel{?}{⟶}{\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CHO}$

1. Manganese acetate

2. Copper at high temperature and pressure

3. Molybdenum oxide

4. Potassium permanganate

Identify products A and B in the given reaction: 

1.
2.
3.
4.

The trans-alkenes are formed by the reduction of alkynes with :

1. H₂ – Pd/C, BaSO₄

2. NaBH₄

3. Na/liq. NH₃

4. Sn – HCl

The carbonyl compounds that cannot be prepared by addition of water on an alkyne in the presence of HgSO₄ and H₂SO₄, among the following, is:

1.		2.
3.		4.

A non-aromatic compound among the following is:

1.		2.
3.		4.

Consider the following reactions :

The structure of A is-
1. 
2. 
3. 
4.