Multiple choice general knowledge science & technology

CH3-CH-CH2-CH3 | CH3

  1. iso pentane

  2. 2-methyl butane

  3. neo pentane

  4. pentane
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The structure CH3-CH(CH3)-CH2-CH3 is a 4-carbon chain (butane) with a methyl group on carbon 2, making it 2-methylbutane by IUPAC naming. Isopentane (A) is a common name but not IUPAC. Neopentane (C) would be 2,2-dimethylpropane. Pentane (D) has no branching.

Keep practicing — related questions