Question

Which of the following arrangement of bond dissociation enthalpy of halogens is correct?

A

B

C

D

Hard

Solution

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Correct option is D)

Bond energy is inversely dependent on bond length. The order of bond length is .Β 

Hence, the order of bond energy should be . But, bond dissociation enthalpy of is less than because of small size of and large inter-electronic repulsions.Β 

Thus, order of bond energy is and .

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Solution To Question ID 25972
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