Clemmensen reduction involves the conversion of $ >C=O $ to $ >CH_2 $ in the presence of:

Which of the following reactions are incorrect?
$(a)$ $CH_2(COOH)_2 \xrightarrow{\Delta} CH_3COOH + CO_2$
$(b)$ Aniline $\xrightarrow{CH_3Cl/AlCl_3}$ $p$-chloroaniline
$(c)$ Phenol $\xrightarrow{CHCl_3 + aq. NaOH}$ Salicylic acid
$(d)$ $CH_3CHO + NaHSO_3 \rightleftharpoons CH_3CH(OH)SO_3Na$
$(e)$ Benzene $\xrightarrow{CO, HCl, Anhydrous AlCl_3/CuCl}$ Benzaldehyde

Identify the product $Y$ in the following reaction sequence:
$C_6H_6 + CH_3CH_2CH_2Cl$ $\xrightarrow{AlCl_3} X$ $\xrightarrow{KMnO_4} Y$

In the given reaction,$X$ can be:

The structure shown in the figure is best classified as a(an):

Arrange the following carbonyl compounds in decreasing order of their reactivity in nucleophilic addition reaction:
$(i)$ Benzaldehyde
(ii) $p$-Nitrobenzaldehyde
(iii) Acetophenone
(iv) $p$-Methylbenzaldehyde