On heating glycerol with excess amount of $HI$,the product formed is -

Which of the following compounds will yield $Propanone$ upon dehydrogenation?

Phenyl magnesium bromide reacts with methanol to give

Isopropyl alcohol on oxidation forms

Consider the following reactions:
$X + HCl \xrightarrow{\text{Anhydrous } AlCl_3} C_2H_5Cl$
$Y \xrightarrow{\text{Anhydrous } ZnCl_2 / HCl} C_2H_5Cl$
$Y$ can be converted to $X$ on heating with which of the following reagents?

Arrange the following compounds in increasing order of their boiling points:
$CH_3CHO, CH_3CH_2OH, CH_3OCH_3, CH_3CH_2CH_3$