The IUPAC name of the compound CH_(3)-CH=underset(CH_(2)-CH_(2)-CH_(3))(underset(|)(C)-CH_(2)-CH_(3) is ............ .

The IUPAC name of the compound CH_(3)-CH=underset(CH_(2)-CH_(2)-CH_(3)

1.	The IUPAC name of the compound CH_(3)-CH=underset(CH_(2)-CH_(2)-CH_(3))(underset(\|)(C)-CH_(2)-CH_(3) is ............ .
Answer» 1 ) 3 - Ethyl-2-hexene 2) 3 - PROPYL -3-hexene 3) 4-Ethyl - 4 -hexene 4) 3 - Propyl-2-hexene Answer :A