- AChloral
- BTrichloro acetaldehyde
- C$1, 1, 1-$trichloroethanal
- ✓$2, 2, 2-$trichloroethanal
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$R - C \equiv N\xrightarrow[{(2)\,{H_2}O}]{{(1)\,AlH\,{{(i - Bu)}_2}}}$ ?
$(A)$ The number of $Cl = O$ bonds in $(ii)$ and $(iii)$ together is two
$(B)$ The number of lone pairs of electrons on $Cl$ in $(ii)$ and $(iii)$ together is three
$(C)$ The hybridization of $Cl$ in $(iv)$ is $sp ^3$
$(D)$ Amongst $(i)$ to $(iv)$, the strongest acid is $(i)$

$\begin{matrix}
\begin{matrix}
C{{H}_{3}}\,\,\,\,\,\,\,\, \,\, \\
|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
\end{matrix} \\
C{{H}_{3}}-C-CH=C{{H}_{2}} \\
|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
C{{H}_{3}}\,\,\,\,\,\,\,\, \,\,\,\, \\
\end{matrix}\,$ $\xrightarrow{{{H}_{2}}O/{{H}^{\oplus }}}$ $\underset{Major\,\,product}{\mathop{A}}\,$ $+$ $\underset{Major\,\,product}{\mathop{B}}\,$
The major product is