MCQ
Which of the following esters cannot undergo Claisen self condensation
- A$C{H_3} - C{H_2} - C{H_2} - C{H_2} - COO{C_2}{H_5}$
- ✓${C_6}{H_5}COO{C_2}{H_5}$
- C${C_6}{H_5}C{H_2}COO{C_2}{H_5}$
- D${C_6}{H_{11}}C{H_2}COO{C_2}{H_5}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
${I^ - } + \,ClO_3^- + \,{H_2}S{O_4}\, \to \,C{l^ - }\, + \,HSO_4^ - \, + \,{I_2}$
(no free $H^+$ is present). Select the correct statement in the balanced equation (Coefficients in smallest whole number ratio.)

$\begin{array}{*{20}{c}}
{C{H_3} - C - CH - C - OC{H_3}} \\
{||\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,} \\
{\,O\,\,\,\,\,\,C = O\,O\,\,\,\,\,} \\
{|\,\,\,\,\,\,\,\,} \\
{C{H_3}\,\,}
\end{array}$