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Isomerism (GATE)
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Directions: In the question given below, there are two statements labelled Assertion (A) and Reason (R). Choose the correct option.
Assertion: The energy difference between staggered and eclipsed conformations of ethylene dichloride is less than in ethylene dibromide.
Reason: The bond moment of C-Cl is greater than that of C-Br.
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A
Both A and R are true, but R is not the correct explanation of A.
💡 Explanation:
This option is correct. Due to steric hindrance between big-sized Br atoms, the energy difference between staggered and eclipsed forms of ethylene dibromide is more.