Question

Compound (A) $\left(C_5{H}_{10}\right)$ does not dissolve in cold conc. $H_{2}S{O}_4$ what is (A)?

• A. Cyclopentene
• B. Cyclopentane
• C. 1 - pentene
• D. 2- pentene

Answer 1

The correct option is B Cyclopentane

Alkene and alkynes $(CH\equiv CH)$ dissolve in cold conc. $H_{2}S{O}_4$ but cycloalkanes doesn't dissolve.

So, the correct answer will be option (b).