Which of the following are known conformations of cyclohexane?
A
Chair
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B
Half-chair
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C
Boat
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D
Twist Boat
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Solution
The correct option is 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.