1.

Which of the following transitions involves maximum amount of energy?A. `M^(-) (g) rarr M (g)`B. `M(g) rarr M^(+) (g) `C. `M^(+) (g) rarr M^(2+) (g)`D. `M^(2+) (g) rarr M^(3+) (g)`

Answer» Correct Answer - D
`M^(+2) rarr M^(3+)` after the removel of `2e^(-)` the nuclear charge per `e^(-)` increases,due to which high energy is required to remove `3e^(-)`.


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