1
JEE Main 2024 (Online) 27th January Evening Shift
Numerical
+4
-1
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The Spin only magnetic moment value of square planar complex $$\left[\mathrm{Pt}\left(\mathrm{NH}_3\right)_2 \mathrm{Cl}\left(\mathrm{NH}_2 \mathrm{CH}_3\right)\right] \mathrm{Cl}$$ is _________ B.M. (Nearest integer)

(Given atomic number for $$\mathrm{Pt}=78$$)

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2
JEE Main 2023 (Online) 15th April Morning Shift
Numerical
+4
-1
Change Language
The homoleptic and octahedral complex of $\mathrm{Co}^{2+}$ and $\mathrm{H}_{2} \mathrm{O}$ has ___________ unpaired electron(s) in the $t_{2\mathrm{g}}$ set of orbitals.
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3
JEE Main 2023 (Online) 11th April Morning Shift
Numerical
+4
-1
Change Language

The ratio of spin-only magnetic moment values $$\mu_{\text {eff }}\left[\mathrm{Cr}(\mathrm{CN})_{6}\right]^{3-} / \mu_{\text {eff }}\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}$$ is _________.

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4
JEE Main 2023 (Online) 10th April Evening Shift
Numerical
+4
-1
Change Language

For a metal ion, the calculated magnetic moment is $$4.90 ~\mathrm{BM}$$. This metal ion has ___________ number of unpaired electrons.

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