MCQ
The product will be :


- ACis $- 2 -$ butene
- ✓Trans $- 2 - $ butene
- C$2 -$ butyne
- DButa $- 1 , 3 -$ diene


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(Nearest integer)
[Given : The heat capacity of the calorimeter system is $20\, kJ\, K ^{-1}, R =8.3\, JK ^{-1}\, mol ^{-1}$.
Assume ideal gas behaviour.
Atomic mass of $C$ and $H$ are $12$ and $1\, g\, mol ^{-1}$ respectively]
$(I){\mkern 1mu} C{H_3}CH_2^ - {\mkern 1mu} + {\mkern 1mu} \mathop {C{H_3}N{H_2}}\limits_{p{K_a} = 35} \rightleftharpoons \mathop {C{H_3}C{H_3}}\limits_{p{K_a} = 50} + C{H_3}N{H^ - }$
$(II){\mkern 1mu} {F^ - }{\mkern 1mu} + {\mkern 1mu} \mathop {{H_2}O}\limits_{p{K_a} = 15.7} \rightleftharpoons \mathop {HF}\limits_{p{K_a} = 3.2} + H{O^ - }$