$x$ અને  $y$ ની શક્ય નિપજો કેટલી છે ?

$(CH_3)_2CHCH_2C  \equiv  N \xrightarrow{HCl,{{H}_{2}}O}$ સંયોજન $A \xrightarrow[2.\,{{H}_{2}}O]{1.\,LiAl{{H}_{4}}}$ સંયોજન $B \xrightarrow[C{{H}_{2}}C{{l}_{2}}]{PCC}$ સંયોજન  $C$

$\begin{matrix}
   C{{H}_{3}}CHCOOH\xrightarrow{\Delta }\,Product  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
\end{matrix}$

નીપજ $(C)$ શું હશે ?

$C{H_3}COOH\xrightarrow{{SOC{l_2}}}P\xrightarrow[{Anhyd.\,\,AlC{l_3}}]{{Benzene}}\,Q\,\xrightarrow{{HCN}}R\xrightarrow{{HOH}}S$

$CH \equiv CH$ $ \xrightarrow {CH_3MgBr}$ $ \xrightarrow {Co_2/H_3O^+}$ $ \xrightarrow {HgSO_4/H_2SO_4}$ $ \xrightarrow {Ag_2O,\Delta}$ $?$

$\begin{matrix}
   O\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   ||\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{H}_{3}}-C-Cl-N{{H}_{3}}  \\
\end{matrix}$ $\to $ મધ્યવર્તી  $\to $ નીપજ 

$\begin{matrix}
   O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{F}_{3}}\,C\,OH+C{{H}_{3}}\,CH\,C{{H}_{3}}  \\
   \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|  \\
   \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,OH  \\
\end{matrix}\xrightarrow{{{H}_{2}}S{{O}_{4}}}\begin{matrix}
   O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   ||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{F}_{3}}\,C\,OCH\,C{{H}_{3}}+{{H}_{2}}O  \\
   |\,\,\,\,\,\,\,\,\,\,\,\, \,\,\,\, \\
   C{{H}_{3}}\,\,\,\,\,\,\,\,\,\,\,  \\
\end{matrix}$

$C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Br\xrightarrow{NaCN}$ $X\xrightarrow[heat]{{{H}_{3}}{{O}^{+}}}Y\xrightarrow[{{H}^{+}}]{C{{H}_{3}}C{{H}_{2}}OH}Z$

$C{H_3}COOH\xrightarrow{{SOC{l_2}}}A\mathop {\xrightarrow{{Benzene}}}\limits_{Anhr.\,AlC{l_3}} B\xrightarrow{{HCN}}C\xrightarrow{{HOH}}D.$

$C{H_3}COOH + PC{l_5} \to A\mathop {\xrightarrow{{{C_6}{H_6}}}}\limits_{anh.\,AlC{l_3}} $ $B\mathop {\xrightarrow{{{C_2}{H_5}MgBr}}}\limits_{ether} C$

$(ii)$ $CH _{3} COOH$

$(iii) $ $C _{6} H _{5} COOH$

$(iv)$ $CH _{3} CH _{2} COOH$

$ PK _ {a} $ મૂલ્યનો યોગ્ય ક્રમ કયો છે ?

$C{{H}_{3}}-C{{H}_{2}}-COOH\xrightarrow{PC{{l}_{3}}}I\xrightarrow{{{C}_{6}}{{H}_{6}}/AlC{{l}_{3}}}II\xrightarrow[\text{base/heat}]{N{{H}_{2}}-N{{H}_{2}}}III$

$(A)\, CH_3CO_2H$           $(B)\, MeOCH_2CO_2H$

$(C)\,CF_2CO_2H$           $(D)\,$

$(a)$ $PhCOOH$

$(B)$ $o-NO_2C_6H_4COOH$

$(C)$ $p-NO_2C_6H_4COOH$

$(D)$ $m-NO_2C_6H_4COOH$