Question

The smallest hydrocarbon which contains secondary carbons only is -

• A. Propane
• B. Cyclobutane
• C. Cyclopropane
• D. Cyclopropanol

Answer 1

Answer: (C)

Cyclopropane

Answer 2

CH₃–CH₂–CH₃ ,

both have 2ºC but M.F. of cyclo propane is less.