Identify the correct option

	X	Y	Z
1.
2.
3.
4.

$\underset{{\mathrm{AlCl}}_3}{\overset{{\mathrm{Me}}_3\mathrm{C}-\mathrm{Cl}}{\to }}\underset{AlC{l}_3}{\overset{Ph-COCl}{\to }}\stackrel{B{r}_2/AlC{l}_3}{\to }$ Product is

(1)
(2)
(3)
(4)

The end product of the following reaction is:

1.		2.
3.		4.

Which of the following is best sequence of reagents for the conversion of

(1)

(2)

(3)

(4)

The intermediate product 'X' of following synthesis is identified as :

1.		2.
3.		4.

Consider the following reaction sequence

$\stackrel{{\mathrm{HNO}}_3+{\mathrm{H}}_2{\mathrm{SO}}_4}{\to } \stackrel{Sn+HCl}{\to }\underset{\left(6H\right)}{\overset{NaN{O}_2+HCl}{\to }}\stackrel{C{u}_2{\left(CN\right)}_2+HCN}{\to }\stackrel{H_{2}O}{\to }Product$

Product is

(1)
(2)
(3)
(4)

The products R and S are respectively

(1)
(2)
(3)
(4)

The end product 'Z' of the reaction sequence is

(1)
(2)
(3)
(4)	Both (1) and (2)