Home Chemistry General Organic Chemistry NCERT Examplar Which of the following is the correct IUPAC …
Chemistry General Organic Chemistry NCERT Examplar Single Correct MCQ
Published on: August 12, 2026

Which of the following is the correct IUPAC name?

A
3-Ethyl-4, 4-dimethylheptane
B
4,4-Dimethyl-3-ethylheptane
C
5-Ethyl-4,4-dimethylhep t ane
D
4,4-Bis(methyl)-3-ethylheptane

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The correct answer is:
A

The structure


while writing IUPAC name, alkyl groups are written in alphabetical priority, thus lower locant 3 is assigned to ethyl.

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