Compound A, ${\mathrm{C}}_8{\mathrm{H}}_{10}\mathrm{O}$ is found to react with NaOI (produced by reacting Y with NaOH) and yield a yellow precipitate with a characteristic smell. A and Y are respectively?

1.
2.
3.
4.

The compound A on treatment with Na gives B, and with PCl₅ gives C. B and C react together to give diethyl ether.

A, B and C are respectively:

1. ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH},$ ${\mathrm{C}}_2{\mathrm{H}}_6,$ ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Cl}$

2. ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH},$ ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Cl},$ ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{ONa}$

3. ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Cl},$ ${\mathrm{C}}_2{\mathrm{H}}_6,$ ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}$

4. ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH},$ ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{ONa}$ $,{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{Cl}$

The heating of phenylmethyl ether with HI produces-

1. Iodobenzene

2. Phenol

3. Benzene

4. Ethyl chloride

Identify A and predict the type of reaction
    

1.
2.
3.
4.

The below-mentioned reaction can be classified as:

1. Alcohol formation reaction

2. Dehydration reaction

3. Williamson alcohol synthesis reaction

4. Williamson ether synthesis reaction