The bond dissociation energy of `-F` in `BF_(3)` is `646 kJ mol^(-1)` whereas that of `C-F` in `CF_(4)` is `515kJ mol^(-1)`. The correct reason for higher `B-F` bond dissociation energy as compared to that of `C-F` isA. smaller size of B-atom as compared to that C -atomB. stronger `sigma` bond between B and F in `BF_(3)` as compared to that between C and F in `CF_(4)`C. significant `p pi - p pi` interaction between B and F in `BF_(3)` whereas there is no possibility of such interaction between C and F in `CF_(4)`D. lower degree of `p pi - p pi` interaction between B and F in `BF_(3)` than that between C and F in `CF_(4)`

The bond dissociation energy of `-F` in `BF_(3)` is `646 kJ mol^(-1)`

1.	The bond dissociation energy of `-F` in `BF_(3)` is `646 kJ mol^(-1)` whereas that of `C-F` in `CF_(4)` is `515kJ mol^(-1)`. The correct reason for higher `B-F` bond dissociation energy as compared to that of `C-F` isA. smaller size of B-atom as compared to that C -atomB. stronger `sigma` bond between B and F in `BF_(3)` as compared to that between C and F in `CF_(4)`C. significant `p pi - p pi` interaction between B and F in `BF_(3)` whereas there is no possibility of such interaction between C and F in `CF_(4)`D. lower degree of `p pi - p pi` interaction between B and F in `BF_(3)` than that between C and F in `CF_(4)`
Answer» Correct Answer - C

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