Question

Which of the following cannot exhibit isomerism?
(a) C₄H₁₀
(b) C₅H₁₂
(c) C₃H₈
(d) C₆H₁₄

Answer 1

C₃H₈
C₃H₈ is the compound which cannot exhibit isomersim, as it contains only 3 carbon atoms. Isomerism is possible only with hydrocarbons containing 4 or more carbon atoms.