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The IUPAC name for the following compound is : H 3 C CH 3 CH CH 3 CH 2

1. 3, 5-dimethyl-4-propylhept-1-en-6-yne
2. 3-methyl-4-(3-methylprop-1-enyl)-1-heptyne
3. 3-methyl-4-(1-methylprop-2-enyl)-1-heptene
4. 3,5-dimethyl-4-propylhept-6-en-1-yne

Correct answer: 3, 5-dimethyl-4-propylhept-1-en-6-yne

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