question_answer

IUPAC name of die following is:  [AIPMT 2002]             \[C{{H}_{2}}=\text{ }CHC{{H}_{2}}C{{H}_{2}}C\equiv CH\]

A) 1, 5-hexenyne

B) 1 - hexene-5-yne

C) 1-hexyne-5-ene

D) 1, 5-hexynene

Correct Answer: B

Solution :

[b] The double bond gets priority over triple bond. So, the IUPAC name of is Hex-1-en-5-yne or1-hexene-5-yne