MCQ
Which of the following is not correctly matched :
- ALactice acid $\rightarrow$ $\begin{array}{*{20}{c}}
{C{H_3} - CH - COOH} \\
{|\,\,\,\,\,\,\,\,\,\,} \\
{OH\,\,\,\,\,\,\,}
\end{array}$ - BTartaric acid $\rightarrow$ $\begin{array}{*{20}{c}}
{HO - CH - COOH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,} \\
{HO - CH - COOH}
\end{array}$ - CPivaldehyde $\rightarrow$ $CH_3C(CH_3)_2CHO$
- ✓Iso-octane $\rightarrow$ $\begin{array}{*{20}{c}}
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - C{H_2} - CH - C{H_3}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,} \\
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}}
\end{array}$