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The leaving group is that functional group which is ejected with `overline e^, s` of the `sigma` -bond in a reaction. Better the leaving group, faster is the reaction. The relative leaving ability of the leaving group `X` in `(R - X)` is increased by : (i) The polarisability of `(R - X)` bond. (ii) The stability of `X^(Ө)`. (iii) The degree of stabilisation through solvation of `X`. (iv) The strength of `(R - X)` bond. The leaving group tendency is also called fugacity. Which statement is correct ?A. Only `SN^1` reaction depends on the nature of leaving group.B. Only `SN^1` reaction depends on the nature of leaving group.C. Both `SN^1` and `SN^2` reactions depends on the nature of leaving group.D. All

Answer» Correct Answer - C
The statement of self-explanatory.


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