\(10.2\,g\) ascorbic acid \(\Rightarrow 0.058\) moles
\(\Delta T _{ f }=\left( x \times 10^{-1}\right)^{\circ} C\)
\(\Delta T _{ f }= k _{ f } \cdot \text { molality }\)
\(=3.9 \times \frac{0.058}{150} \times 1000\)
\(=1.5^{\circ}\,C\)
\(=15 \times 10^{-1 \circ}\,C\)
$\begin{matrix}
O\,\,\,\, \\
\,||\,\,\,\, \\
C{{H}_{3}}-C-Cl\xrightarrow{{{H}_{2}}S} \\
\end{matrix}$ નીપજ
${CH}_{3} {COOH}+{SOCl}_{2} \longrightarrow {A} \xrightarrow[AlCl_3]{Benzene} {B} \xrightarrow[-OH]{KCN} {C}$