The correct increasing order of spin-only magnetic moment values of the complex ions [MnBr₄]²⁻ (A), [Cu(H₂O)₆]²⁺ (B), [Ni(CN)₄]²⁻ (C) and [Ni(H₂O)₆]²⁺ (D) is:

Coordination Compounds: JEE Main 2026 Chemistry question

JEE Main 2026 · 28 Jan, Evening shift · Q66

JEE Main 202628 Jan, Evening shiftChemistryMediumCoordination Compounds198× since 2002

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

\mathrm{[MnBr_4]^{2-}}

(A),

\mathrm{[Cu(H_2O)_6]^{2+}}

(B),

\mathrm{[Ni(CN)_4]^{2-}}

\mathrm{[Ni(H_2O)_6]^{2+}}

(D) is :