9. Amines — Chemistry STD 12 Science — Question

$(i) \,\,\begin{array}{*{20}{c}}
  {C{H_3}\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {C{H_3} - C - CH - C{H_3}} \\ 
  {\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,OH} 
\end{array}\,\xrightarrow{{{H^ + }/heat}}\,\,\mathop A\limits_{[Major\,product]} \, + \,\mathop B\limits_{[Minor\,product]} $

$(ii)\,\, A\xrightarrow[{in\,\,absence\,\,\,of\,peroxide}]{{HBr,\,dark}}\,\,\mathop C\limits_{[Major\,product]} \, + \,\mathop D\limits_{[Minor\,product]} $

the major products $(A)$ and $(C)$ are respectively

$A$ $+$ $\begin{array}{*{20}{c}}
  {C{H_3} - C - C{H_3}} \\ 
  {||\,} \\ 
  {O\,\,\,} 
\end{array}$ $→$ $B$    $'B'$ is

The rate constants of the above reaction at $200 \,K$ and $300 \,K$ are $0.03 \,min ^{-1}$ and $0.05 \,min ^{-1}$ respectively. The activation energy for the reaction is $....J$ (Nearest integer)

(Given : In $10=2.3$

$R =8.3\,J\,K ^{-1}\, mol ^{-1}$

$\log 5=0.70$

$\log 3=0.48$

$\log 2=0.30$