MCQ

- ✓

- B

- C

- D








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$\mathop {C{H_2} = CH - Br}\limits_{(I)} $ $\mathop {{\text{C}}{{\text{H}}_3} - Br}\limits_{\left( {II} \right)} $ $\mathop {\begin{array}{*{20}{c}}
{C{H_3} - CH - Br} \\
{|\,\,} \\
{\,\,\,C{H_3}}
\end{array}}\limits_{\left( {III} \right)} $ $\mathop {C{H_3}C{H_2}Br}\limits_{\left( {IV} \right)} $
(Given: $\Delta H _{\text {vap }}$ for water at $373\, K =41\, kJ / mol$, $\left. R =8.314\, JK ^{-1} mol ^{-1}\right)$
| ${N_2}$ in $cc$ | $6.25$ | $9.50$ | $11.42$ | $13.65$ | $35.05$ |
| Time (minutes) | $10$ | $15$ | $20$ | $25$ | Finally |