{\,\,\,\,\,\,C{H_3}\,C{H_3}\,} \\
{|\,\,\,\,\,\,\,\,\,|\,} \\
{C{H_3} - C - C - C{H_3}} \\
{\,\,\,|\,\,\,\,\,\,\,\,|\,\,\,\,} \\
{\,\,\,\,OH\,\,OH\,\,}
\end{array}$ $\xrightarrow[\Delta ]{{{H^ \oplus }}}?$
- A

- ✓

- C

- D







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$(ii)$ $CH _{3} COOH$
$(iii) $ $C _{6} H _{5} COOH$
$(iv)$ $CH _{3} CH _{2} COOH$
Correct order of $pK _{ a }$ value is :

$\begin{array}{|l|l|} \hline Column\,\,I & Column\,\,II \\ \hline (A)\,XeF_6 & (i)\,\,distortedoctahedral \\ \hline (B)\,XeO_3 & (ii)\,\,square\,\,planar \\ \hline (C)\,XeOF_4 & (iii)\,\,pyramidal \\ \hline (D)\,XeF_4 & (iv)\,\,square\,\,pyramidal \\ \hline \end{array}$
$\mathop {(A)}\limits_{ gives\,\,positive ~\\ iodoform\,Test } \xrightarrow[\begin{subarray}{l} (ii)\,{H^ + },{H_2}O + ~\\ (iii)\,conc.\,{H_2}S{O_4}/\Delta \end{subarray} ]{{{\text{(i) C}}{{\text{H}}_{\text{3}}}{\text{MgBr}}}}(B)\xrightarrow{{{O_3}/Zn,{H_2}O}}$