MCQ
Among the following most highly ionised in water is
  • $\begin{array}{*{20}{c}}
    {C{H_3} - C{H_2} - CH - COOH}\\
    {\,\,\,\,\,|}\\
    {\,\,\,\,\,\,\,\,\,\,\,N{O_2}}
    \end{array}$
  • B
    $\begin{array}{*{20}{c}}
    {C{H_3} - CH - C{H_2} - COOH}\\
    {\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
    {\,\,\,\,\,\,\,\,\,\,\,N{O_2}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
    \end{array}$
  • C
    $\begin{array}{*{20}{c}}
    {C{H_2} - C{H_2} - C{H_2} - COOH}\\
    {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}\\
    {N{O_2}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
    \end{array}$
  • D
    All

Answer

Correct option: A.
$\begin{array}{*{20}{c}}
{C{H_3} - C{H_2} - CH - COOH}\\
{\,\,\,\,\,|}\\
{\,\,\,\,\,\,\,\,\,\,\,N{O_2}}
\end{array}$
a
Most acidic is easily ionised

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