The CFSE for octahedral `[CoCl_(6)]^(4-)` is `18,000 cm^(-1)`. The CFSE for tetrahedral `[CoCl_(4)]^(2-)` will be

Options

A. `18,000 cm^(-1)`
B. `16,000 cm^(-1)`
C. `8,000 cm^(-1)`
D. `20,000 cm^(-1)`

Answer

C

Explanation

`triangle_(t)=4/9 triangle_(0)`