The acid formed when propyl magnesium bromide is treated with carbon dioxide is:

$A$ methyl group attached to a benzene ring can be oxidized to a carboxyl group by reacting with:

Which of the following on hydrolysis forms acetic acid?

Identify the product formed in the following reaction: $CH_3CH_2MgBr$ $\xrightarrow{i. \text{Dry ice} / \text{dry ether}}$ $\xrightarrow{ii. \text{dil. } HCl} \text{Product}$

Grignard reagent $RMgBr$ $(P)$ reacts with water and forms a gas $(Q)$. One gram of $Q$ occupies $1.4 \ dm^3$ at $STP$. $(P)$ on reaction with dry ice in dry ether followed by $H_3O^{+}$ forms a compound $(Z)$. $0.1 \ mole$ of $(Z)$ will weigh . . . . . . $g$. (Nearest integer)

What is obtained when glycerol is heated with oxalic acid at $110\,^{\circ}C$?