Identify A in the following sequence of reactions?

1.        2.  

3.        4.  HCN

A and B respectively are

1.             2.  

3.               4.  

Identify the major product formed in the following reaction

1.        2.  

3.        4.  

The best rate for esterification is observed when 'X' is-

1.  -OH

2.  -Cl

3.  $\begin{array}{cccccc}-& \mathrm{O}& -& \mathrm{C}& -& \mathrm{R}\\ & & & \parallel & & \\ & & & \mathrm{O}& & \end{array}$

4.  $-{\mathrm{NH}}_2$

What is (X)?

1.       2.  

3.            4.  

Identify the product formed during the following reaction.

1.           2.  

3.           4.  

Select the correct statement(s)

1.          2.  

3.           4.  

Which compound/compounds is/are optically active?

1.                        2.  

3.         4.  All of these

If 'A' and 'B' are major products then 'B' is

1.        2.  

3.             4.  

Formed product was given

(1)  Ceric ammonium nitrate and ${\mathrm{NaHCO}}_3$ test

(2)  ${\mathrm{NaHCO}}_3$ test and DNP test

(3)  ${\mathrm{NaHCO}}_3$ and Victor Meyer test

(4)  Both (A) & (C)