Chemistry
Write the IUPAC name of:

Organic Chemistry
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Answer
3-Methylbut-1-yne
Reason :
The longest chain containing the triple bond has 4 carbons → butyne.
Number from the end nearest the triple bond → triple at carbon 1 → but-1-yne.
There’s a methyl (CH₃) substituent on carbon 3 → 3-methylbut-1-yne.
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