Multiple choice

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.

  1. Both A and R are true and R is the correct explanation of A.

  2. Both A and R are true but R is NOT the correct explanation of A.

  3. A is true but R is false.

  4. A is false but R is true.

  5. Both A and R are false.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This option is correct, because of steric hindrance between big sized Br-atoms, the energy difference between staggered and eclipsed forms of ethylene dibromide is more than that of ethylene dichloride.

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