Which pair is listed in order of increasing bond dissociation energy?

Which pair is listed in order of increasing bond dissociation energy?

C–C < C–H
C?C < C=C
C–Cl < C–Br
C=O < C–O
C–O < C–S

Answer

C to H single bond dissociation energy is higher than C to C single bond Similarly, C to C triple bond dissociation energy is higher than C to C double bond C to Cl single bond dissociation energy is higher than C to Br single bond C to O double bond dissociation energy is higher than C to O single bond C to O single bond dissociation energy is higher than C to S single bond

Answer: Option A

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