\(\begin{array}{*{20}{c}}
{C{H_3}C{H_2}C{H_2}OH} \\
{(X)({C_3}{H_8}O)}
\end{array}\xrightarrow{{{K_2}C{r_2}{O_7} + {H_2}S{O_4}}}\begin{array}{*{20}{c}}
{C{H_3}C{H_2}CHO} \\
{(Y)({C_3}{H_6}O)}
\end{array}\)
\(\xrightarrow{{N{H_2}CONHN{H_2}}}C{H_3}C{H_2}CH = NNHCON{H_2}\)
( સેમી કાર્બોઝોન)
$\mathop {(A)}\limits_{ gives\,\,positive ~\\ iodoform\,Test } \xrightarrow[\begin{subarray}{l} (ii)\,{H^ + },{H_2}O + ~\\ (iii)\,conc.\,{H_2}S{O_4}/\Delta \end{subarray} ]{{{\text{(i) C}}{{\text{H}}_{\text{3}}}{\text{MgBr}}}}(B)\xrightarrow{{{O_3}/Zn,{H_2}O}}$