Ratio of spin-only magnetic moment | Coordination Compound

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JEE MAIN 2023

11-04-23 S1

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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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