JEE Main Chemistry question

The IUPAC name of (CH_3)_2CH-CH_2-CH(CH_3)-CN is

(A)2-Cyano-3-methylhexane
(B)2-Dimethyl-4-cyanopentane
(C)2,4-DimethylpentanenitrileCorrect
(D)3-Cyano-2-methylhexane

Answer: (C)

Solution

The nitrile carbon is numbered C1 of the principal chain (the group has the highest seniority here and the chain is named as a "-nitrile"). Counting along the five-carbon chain from

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Question ID VK-150455