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The least stable ion among the following...

The least stable ion among the following is

A

`Li^(-)`

B

`B^(-)`

C

`C^(-)`

D

`Be^(-)`

Text Solution

Verified by Experts

The correct Answer is:
D
Configuration of `Be^(-)` ion because unsymmetrical when Be atom takes up an electron : `1s^(2) 2s^(2) 2Px^(1)`
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