What Is the Energy Difference Between the Two Chair Conformations

question 21

Multiple Choice

What is the energy difference between the two chair conformations of the following compound that is due to steric strain? cis-1-bromo-4-isopropylcyclohexane
Assume the following 1,3-diaxial strains.
Br: 1.0 kJ/mol
CH(CH₃) ₂: 4.6 kJ/mol

• A) 7.2 kJ/mol
• B) 5.6 kJ/mol
• C) 9.2 kJ/mol
• D) 11.2 kJ/mol

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