$(A)$ $\mathrm{Bu}-\mathrm{OH}$

$(B)$ $IMAGE$ $(C)$ $IMAGE$ $(D)$ $IMAGE$

નીચે આપેલા વિકલ્પોમાંથી સાચો જવાબ પસંદ કરો.

${ }^{-} \mathrm{OH}, \mathrm{R} \overline{\mathrm{O}}, \mathrm{CH}_3 \mathrm{CO} \overline{\mathrm{O}}, \mathrm{C} \overline{1}$

$(i)$ $\begin{array}{*{20}{c}}
  {\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}-CH_2} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,|} 
\end{array}} \\ 
  {C{H_3} - {C^ + }} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$

$(ii)$  $\begin{array}{*{20}{c}}
  {\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,|} 
\end{array}} \\ 
  {C{H_3} - {C^ + }} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{H}} 
\end{array}$

$(iii)$ $\begin{array}{*{20}{c}}
  {\begin{array}{*{20}{c}}
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,|} 
\end{array}} \\ 
  {C{H_3} - {C^ + }} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ 
  {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} 
\end{array}$

$(iv)$ $Ph - CH ^{+}-\underline{ CH }_{3}$ 

$(II)$ $CH_2 = CH - COOH $ અને

$(III)$ $ HC \equiv C - COOH$

એસિડોની ગોઠવણી ઘટતી એસિડીકતા ક્રમમાં ગોઠવો.