Give the IUPAC name of : (CH_ 3 )_ 2 CHCH(Cl)CH_ 3

MHT CET Chemistry question

Give the IUPAC name of : \mathrm{(CH_{3})_{2}CHCH(Cl)CH_{3}}

(A)2-Chloro-3-methylbutaneCorrect
(B)3-Chloro-2-methylbutane
(C)3-Chloro-3-methylbutane
(D)2-Chloro-3-methylpentane

Answer: (A)

Solution

The longest chain is 4 carbons (butane); numbering from the end nearer to the first substituent (alphabetical order Cl before methyl, locants {2,3} either

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Question ID VK-043244