
- A$C > A > D > B$
- B$A > B > C > D$
- C$D > A > B > C$
- ✓$A > B > D > C$

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$(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_{(s)} + B^+ \to A^+ + B_{(s)} $; $\Delta H^o = -300\,kJ$ is $70\%$.
The standard electrode potential of cell is :- .................... $\mathrm{V}$

$(I)\, K_4 [Fe(CN)_6]$ $(II)\, K_3[Cr(CN)_6]$ $(III)\, K_3 [Co(CN)_6]$ $(IV)\, K_2[Ni(CN)_4]$
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