Which of the following hydrate is diamagnetic ?

Options

A. `[Mn(H_2 O)_6]^(2+)`
B. `[Cu(H_2 O)_6]^(3+)`
C. `[Co(NH_3)_6]^(3+)`
D. `[Co(H_2 O)_6]^(2+)`

Answer

C

Explanation

paramagnetic Paramagnetic Diamagnetic Paramagnetic