Q.

The correct increasing order of spin-only magnetic moment values of the complex ions [2026]

[MnBr4]2-, [Cu(H2O)6]2+ [Ni(CN)4]2- [Ni(H2O)6]2+ (D) is:

1 A = B < D < C  
2 A = B < C < D  
3 C = D < B < A  
4 C < B < D < A  

Ans.

(4)