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Rank the bond dissociation energies of the bonds indicated. please provide explanation of your answer?

Rank the bond dissociation energies of the bonds indicated. please provide explanation of your answer?

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Grade:12th pass

1 Answers

Arun
25750 Points
3 years ago
The dissociation of C−H bond will result into a carbon radical. Primary carbon radical is the least stable whereas tertiary one is the most stable as tertiary carbon radical has stabilizing +I effect of 2−methyl groups.
Hence, dissociation of a primary carbon-hydrogen bond will be difficult, requiring the most energy. In case of tertiary carbon, this energy required will be least.
Therefore, order of bond dissociation energy is- 3

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