As triple bond is present at carbon no. 3 and double bond is present at carbon no. 1 so luPAC name of compound is 1 - butene - 3 - yne. In numbering double bond is given preference if from both side alkene and alkyne functional group are present at same numbers.
$IUPAC $ નામ શું હશે ?
વિધાન $II$: $2$ હાઈડ્રોકસીહેપ્ટેન $-7-$ ઓલ એ ઉપરના સંયોજનનું સાચું નામ છે.