Which of the following correctely lists the configurations of cyclohexane in order increasing potential energies?

Options

A. Chair `gt` Twist boat `gt` Boat `gt` Half-chair
B. Half-chair` gt`Boat `gt` Twist boat `lt` Chair
C. Chair `lt` Twist boat `lt` Half-chair `lt` Boat
D. Chair `lt`Boat `lt` Twist boat `lt` Half-chair

Answer

A

Explanation

Among the important confermers of cyclohexane, the order of stability is half-chair `lt` boat`lt`twist boat`lt` chair.
The order of potential energy is reverse of order of stability.