The total spin resulting from `d^(9)` configuration is

The total spin resulting from a d^(7) configuration is

The total spin resulting from a d^(7) configuration is

The total spin resulting from a d^(8) configuration is

The total spin resulting from a d^7 configuration is :

The total spin resulting from a d^7 configuration is :

Assertion:- SN^(2) reaction proceeds with inversion of configuration. Reason:- The attack of nucleophile occurs from a side opposite to the halogen atom resulting in inversion of configuration.

What is the value of the spin quantum number of the last electron e^(9) configuration ?

The ion which has a high spin d^(6) configuration is