What is the IUPAC name of CH3CCI=C(CH3)2?

A. 2-chloro -3 methylbut -2yne
B. 2 -chloro -3 methylbut -2ene
C. 2 -chloro -3 methylbutene
D. 3- methyl -2-chlorobut -2-ene
E. 3- methyl -2. chlorobut -2 yne

Correct Answer:

Option B – 2 -chloro -3 methylbutene