$\left. {\begin{array}{*{20}{c}}
{C{H_3}COC{H_3}\xrightarrow{{NaOH/{I_2}}}CH{I_3}} \\
{{C_2}{H_5}OH\xrightarrow{{NaOH/{I_2}}}CH{I_3}} \\
{C{H_3} - \mathop {\mathop {CH}\limits_{|\,\,\,\,\,} }\limits_{OH} - C{H_3}\xrightarrow{{NaOH/{I_2}}}CH{I_3}}
\end{array}} \right\}yellow\,ppt$
$(a)\;\left(\mathrm{CH}_{3}\right)_{3} \mathrm{CCH}(\mathrm{OH}) \mathrm{CH}_{3} \stackrel{\mathrm{conc.H}, \mathrm{SO}_{4}}{\longrightarrow}$
$(b)\;\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHCH}(\mathrm{Br}) \mathrm{CH}_{3} \stackrel{\text { alc.KOH }}{\longrightarrow}$
$(c)\;\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHCH}(\mathrm{Br}) \mathrm{CH}_{3} \xrightarrow[\text { It should be }\left(\mathrm{CH}_{3}\right)_{3} \mathrm{CO}^{-} \mathrm{K}^{+}]{\text { given by } \mathrm{NTA}\left(\mathrm{CH}_{3}\right)_{3} \mathrm{O}^{-} \mathrm{K}^{+}}$
$(d)\;\begin{array}{*{20}{c}}
{{{(C{H_3})}_2}C - C{H_2} - CHO} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}\xrightarrow{\Delta }$
આ પ્રક્રિયાઓ પૈકી કઈ પ્રક્રિયા સૈત્ઝેફ નીપજ ઉત્પન્ન કરશે નહીં?
નીપજ $(A)$ શું હશે ?