MCQ
The $IUPAC$ name of is
$C{H_3} - \mathop {\mathop {C = }\limits_{|\,\,\,\,} }\limits_{C{l_{}}\,} \mathop {\mathop {C\, - }\limits_{|\,\,\,\,\,\,} }\limits_{C{H_3}\,} \mathop {\mathop {CH - \,}\limits_{|\,\,\,\,\,\,\,\,\,} }\limits_{{C_2}{H_5}\,} C{H_2} - C \equiv CH$
- ✓$6-$ chloro $-4-$ ethyl $-5-$ methyl-hept $-5-$ en $- 1- $ yne
- B$6-$ chloro $-4-$ ethyl $-5-$ methyl-hept $-1-$ yn $- 5-$ ene
- C$ 2-$ chloro $-4-$ ethyl $-3-$ methyl-hept $-2-$ en $-6 -$ yne
- D$2-$ chloro $-4-$ ethyl $ -3-$ methyl-hept $-6-$ yn $-2- $ ene

