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Which of the following has highest bond dissociation energy ?A. `F_(2)`B. `Cl_(2)`C. `I_(2)`D. `Br_(2)` |
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Answer» Correct Answer - B Bond strngth `a (1)/(n_(1) + n_(2))` where `n_(1)` and `n_(2)` are principle quantum nos of overlapping atomic orbitals. In `F_(2)` interelectronic repulsion occurs. |
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