JEE Chemistry · Easy

Hydrocarbons: Alkane nomenclature MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Alkane nomenclatureEasyQuestion 770001

Question

The IUPAC name of CH₃−CH(CH₃)−CH₃ is:
  1. A
    2-methylpropane
    Correct
  2. B
    Isobutane
  3. C
    n-butane
  4. D
    2-propane

Correct answer

2-methylpropane

Explanation

The longest chain has 3 carbons (propane), with a methyl branch at C2: 2-methylpropane. (Isobutane is the common name.)