What is the major product of the following reaction sequence?

1.                            

2.  

3.         

4.  

1.           2.  

3.                    4.  

The final product Y in the below mentioned sequence is:

1.		2.
3.		4.

Consider the following reaction

The structure of B is:

1.		2.
3.		4.

Identify A in the following sequence of reactions.

1.		2.
3.		4.	HCN

The products A and B in the below mentioned reaction are, respectively:

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.