The product $(B)$ of the reaction is:

Predict the products of the following reactions:
$(i)$ Cyclopentanone + $NH_2OH \xrightarrow{H^+} ?$
(ii) Cyclohexanone + $2,4-DNP \xrightarrow{H^+} ?$
(iii) $R-CH=CH-CHO + NH_2CONHNH_2 \xrightarrow{H^+} ?$
(iv) Acetophenone + $CH_3CH_2NH_2 \xrightarrow{H^+} ?$

The correct structure of product $A$ formed in the following reaction:
$PhCHO + PhCHO \xrightarrow[in\, D_2O]{NaOD} A + PhCOO^{-}$
($Ph$ is $-C_6H_5$)

Identify $R', R''$ and $R'''$ for the following reaction: $R'R''C=O \xrightarrow{(i) R'''MgX, (ii) H_2O} 2-methylbutane-2-ol$

$A$ and $B$ in the following reaction are :-

Match the examples given in Column $I$ with the name of the reaction in Column $II$ and identify the correct matches.

Column $I$ $(Example)$	Column $II$ $(Reaction)$
$a$. $CH_3COCl + H_2 \xrightarrow{Pd-C/BaSO_4} CH_3CHO$	Stephen's reaction
$b$. $C_6H_5CHO \xrightarrow{NaOH, \Delta} C_6H_5CH_2OH + C_6H_5COO^-Na^+$	Cannizzaro's reaction
$c$. $C_6H_6 + CH_3COCl \xrightarrow{AlCl_3} C_6H_5COCH_3$	Friedel-Crafts acylation
$d$. $R-CH_2-COOH \xrightarrow[H_2O]{Br_2/Red P} R-CH(Br)-COOH$	$HVZ$ reaction
$e$. $CH_3-CN \xrightarrow[\text{(ii) } H_2O/H^+]{\text{(i) } SnCl_2/HCl} CH_3CHO$	Stephen's reaction
$f$. $2 CH_3CHO \xrightarrow[\Delta]{NaOH} CH_3-CH=CHCHO$	Aldol condensation