$\underset{\left({\mathrm{C}}_4{\mathrm{H}}_8{\mathrm{Cl}}_2\right)}{\mathrm{A}}\underset{373 \mathrm{K}}{\overset{\mathrm{Hydrolysis}}{\to }}\underset{\left({\mathrm{C}}_4{\mathrm{H}}_8\mathrm{O}\right)}{\mathrm{B}}$

$\mathrm{B}$ reacts with Hydroxyl amine but does not give Tollen's test. Identify $\mathrm{A}$ and $\mathrm{B}$.

Match List - I with List - II.

	List - I (Chemical Reaction)		List - II (Reagent used)
a	${\mathrm{CH}}_3{\mathrm{COOCH}}_2{\mathrm{CH}}_3\to {\mathrm{CH}}_3\mathrm{COOH}+{\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}$	i	${\mathrm{CH}}_3\mathrm{MgBr}/{\mathrm{H}}_3{\mathrm{O}}^{+}$ (one equivalent)
b	${\mathrm{CH}}_3{\mathrm{COOCH}}_3\to {\mathrm{CH}}_3\mathrm{CHO}$	ii	${\mathrm{H}}_2{\mathrm{SO}}_4/{\mathrm{H}}_2\mathrm{O}$
c	${\mathrm{CH}}_3\mathrm{C}\equiv \mathrm{N}\to {\mathrm{CH}}_3\mathrm{CHO}$	iii	$\mathrm{DIBAL}-\mathrm{H}/{\mathrm{H}}_2\mathrm{O}$
d		iv	${\mathrm{SnCl}}_2,\mathrm{HCl}/{\mathrm{H}}_2\mathrm{O}$

Choose the most appropriate match.

The major products formed in the following reaction sequence $\mathrm{A}$ and $\mathrm{B}$ are:

The major product formed in the following reaction is:

Maleic anhydride

Maleic anhydride can be prepared by :

Consider the above reaction sequence, Product "A" and Product "B" formed respectively are: