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Q.
The $IUPAC$ name of $CH_{3}-CH=CH-C \equiv CH$ is
WBJEEWBJEE 2008Organic Chemistry – Some Basic Principles and Techniques
Solution:
The $IUPAC$ name of given compound is
$\underset{1}{{C}}{{H}_{3}}-\underset{pent\,-2-en-4-yne}{{\underset{2}{{C}}H=\underset{3}{{C}}H-\underset{4}{{C}}}}\,\equiv \underset{5}{{C}}-H$