MCQ
The incorrect $IUPAC$ name is
- ✓$\begin{array}{*{20}{c}}
{C{H_3} - C - CH - C{H_3}} \\
{||\,\,\,\,\,\,\,\,\,|\,\,\,\,\,} \\
{\,\,\,\,O\,\,\,\,\,\,\,C{H_3}\,\,}
\end{array}$ $2-$ methyl $-3-$ butanone - B$\begin{array}{*{20}{c}}
{C{H_3} - CH - CH - C{H_3}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,} \\
{\,\,\,\,\,\,\,\,\,\,\,C{H_3}\,\,\,\,\,\,\,\,\,C{H_2}C{H_3}}
\end{array}$ $2, 3 -$ dimethylpentane - C$C{H_3} - C \equiv CCH{(C{H_3})_2}$ $4-$ methyl $-2-$ pentyne
- D$\begin{array}{*{20}{c}}
{C{H_3} - CH - CH - C{H_3}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,} \\
{Cl\,\,\,\,\,\,\,\,\,Br}
\end{array}$ $3-$ chloro $-2-$ bromobutane
