MCQ
The $IUPAC$ name of the compound having structure ${C_2}{H_5} - \mathop {\mathop {C - }\limits_{||\,\,\,\,} }\limits_{C{H_2}} \mathop {\mathop {CH - }\limits_{|\,\,\,\,\,\,\,\,\,} }\limits_{C{H_3}\,\,} C{H_3}$ is
- A$3-$ methyl $-2-$ ethyl butene $-1 $
- ✓$2-$ ethyl $-3-$ methyl butene $-1 $
- C$3-$ ethyl $-3-$ methyl butene $-1 $
- DEthyl isopropyl ethene
