Question

Which of the following are known conformations of cyclohexane?

• A. Chair
• B. Half-chair
• C. Boat
• D. Twist Boat

Answer 1

Answer: (A), (B), (C), (D)

Twist Boat

Cyclohexane conformations are of 4 types:

1. Chair


2. Half-chair


3. Twist Boat


4. Boat




These conformations are interconvertible at room temperature as the maximum energy barrier is 10.5 kcal/mol or 44 kJ/mol which is lower than the 20 kcal/mol available at room temperature.