Consider the following complex ions \( \mathrm{P}, \mathrm{Q} \), and \( \mathrm{R} \), \( \math... VIDEO
Consider the following complex ions \( \mathrm{P}, \mathrm{Q} \), and \( \mathrm{R} \), \( \mathbf{P}=\left[\mathrm{FeF}_{6}\right]^{3-}, \mathbf{Q}=\left[\mathrm{V}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+} \), and \( \mathbf{R}=\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+} \) The correct order of the complex ions, according to their spin-only magnetic moment values (in B.M.) is:
(a) \( \mathrm{R}\mathrm{Q}\mathrm{P} \)
(b) Q \( \) R \( \) P
(c) \( \mathrm{R}\mathrm{P}\mathrm{Q} \)
(d) Q \( \) P \( \) R
(JEE Advanced, 2013)
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