MCQ
Use of electrolysis is
- AElectroplating
- BElectrorefining
- ✓both $ (a)$ and $(b)$
- DNone of these
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$P =\left[ FeF _6\right]^{3-}, Q =\left[ V \left( H _2 O \right)_6\right]^{2+} \text { and } R =\left[ Fe \left( H _2 O \right)_6\right]^{2+} \text {. }$
The correct order of the complex ions, according to their spin-only magnetic moment values (in $B.M.$) is
|
principal quantum number $(n)$ |
azimuthal quantum number $(l)$ |
magnetic quantum number $(m)$ |