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The type of hybridization and the magnetic property of \({\left[{\mathrm{MnCl}}_{6}\right]}^{3-}\) are [JEE Main 2025, 2…

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The type of hybridization and the magnetic property of \({\left[{\mathrm{MnCl}}_{6}\right]}^{3-}\) are

[JEE Main 2025, 2 Apr (Shift 2)]

a

\({\mathrm{d}}^{2}{\mathrm{sp}}^{3}\), paramagnetic with four unpaired electrons

b

\({\mathrm{sp}}^{3}{\mathrm{d}}^{2}\), paramagnetic with four unpaired electrons

c

\({\mathrm{d}}^{2}{\mathrm{sp}}^{3}\), paramagnetic with two unpaired electrons

d

\({\mathrm{sp}}^{3}{\mathrm{d}}^{2}\), paramagnetic with two unpaired electrons

✓ Correct answer: b)

\({\mathrm{sp}}^{3}{\mathrm{d}}^{2}\), paramagnetic with four unpaired electrons

Explanation

In \({\left[{\mathrm{MnCl}}_{6}\right]}^{3-}\), \({\mathrm{Cl}}^{-}\) is weak field ligand.
\({\mathrm{Mn}}^{3+}({\mathrm{d}}^{4})\) remains high spin, geometry = \({\mathrm{sp}}^{3}{\mathrm{d}}^{2}\), with 4 unpaired electrons.

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