The correct increasing order of spin... | Coordination Compounds

JEE MAIN_2026_

280126_S2

Question

The correct increasing order of spin-only magnetic moment values of the complex ions $\left[\mathrm{MnBr}_4\right]^{2-}(\mathrm{A}),\left[\mathrm{Cu}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}(\mathrm{B}),\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}(\mathrm{C})$ and $\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}(\mathrm{D})$ is :

Select the correct option:

$\mathrm{A}=\mathrm{B}<\mathrm{D}<\mathrm{C}$

$C<\mathrm{B}<\mathrm{D}<\mathrm{A}$

$\mathrm{C}=\mathrm{D}<\mathrm{B}<\mathrm{A}$

$\mathrm{A}=\mathrm{B}<\mathrm{C}<\mathrm{D}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution