Question Detail
Question
Which of the following compounds does not dissolve in concentrated H2SO4 on warming?
Correct Answer
Option A is the correct answer.
Detailed Explanation
n-Hexane is an alkane and does not react with concentrated H2SO4. Alkenes (1-butene) dissolve by protonation and subsequent reactions, ethers form oxonium salts, and aniline forms anilinium salts with acids.
Hint
Which hydrocarbon class is unreactive towards acids?