Which of the following compounds yields propanone upon dehydrogenation?

Which of the following is $NOT$ formed when glycerol reacts with $HI$?

$PCl_5$ reacts with a compound containing

$A$ compound $X$ with the molecular formula $C_3H_8O$ yields a compound with the formula $C_3H_6O$ upon oxidation. To which of the following classes of compounds could $X$ belong?

$HO-CH_2CH_2CH_2CH_2-Br \xrightarrow{KOH} \text{Product}$. The product is:

With which of the following reactants does the treatment of primary alcohol yield aldehydes?