Chemistry (M.Phil./Ph.D.) 2015 Panjab University Entrance Exam With Answers

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7.

The bond dissociation energies of four bonds C-A, C-B, C-D and C-E are respectively 240,382,276 and 486 KJ mol^-1. The atom with smallest size is

A: A
B: B
C: D
D: E

The answer is: D

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