Which of the following cycloalkanes exhibits the greatest molar heat of combustion per - CH 2- group?

Question

Which of the following cycloalkanes exhibits the greatest molar heat of combustion per - CH 2- group? (A) Cyclopropane (B) Cyclopentane (C) Cyclobutane (D) Methylcyclobutane

Tardigrade Admin · Accepted Answer

The least stable cyclopropane will results in maximum heat of combustion per - CH 2-unit.

Q. Which of the following cycloalkanes exhibits the greatest molar heat of combustion per $- C H_{2} -$ group?

Cyclopropane

Cyclopentane

Cyclobutane

Methylcyclobutane

The least stable cyclopropane will results in maximum heat of combustion per $- C H_{2}$ -unit.

Q. Which of the following cycloalkanes exhibits the greatest molar heat of combustion per −CH2​− group?