Diethyl ether, when heated with excess $\mathrm{HI}$ produces _____.

Phenol in presence of sodium hydroxide reacts with chloroform to form salicylaldehyde. The reaction is known as _____.

The reaction can be classified as _____.

Which of the following will give yellow precipitate with ${\mathrm{I}}_{\mathrm{2}}/\mathrm{NaOH}$?    

This does not convert a ketone to an alcohol:

Phenol $\stackrel{\mathrm{Zn} \mathrm{dust}}{\to }\mathrm{X} \underset{\mathrm{Anhydrous} {\mathrm{AlCl}}_{\mathrm{3}}}{\overset{{\mathrm{CH}}_{\mathrm{3}}\mathrm{Cl}}{\to }}\mathrm{Y} \stackrel{\mathrm{Alk} {\mathrm{KMnO}}_{\mathrm{4}}}{\to }\mathrm{Z}$

The product $\mathrm{Z}$ is ________.

Williamson's synthesis is used for the preparation of _____.

Reaction of t-butyl bromide with sodium methoxide produces: