How many structural isomers are possible for the molecular formula C₄H₁₀?
C₄H₁₀ (butane) has two structural isomers: n-butane (CH₃CH₂CH₂CH₃) and isobutane (CH₃CH(CH₃)CH₃).
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Isomerism - Structural Isomerism - Chain Position Functional Metamerism