The spin only magnetic moment of [Mn(H2O)6]2+ complexes is B.M. (Nearest integer)
(Given atomic number of Mn=25)
Held on 1 Feb 2023 · Verified 6 Jul 2026.
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By usual analysis, 1.00 g of compound $(\mathrm{X})$ gave 1.79 g of magnesium pyrophosphate. The percentage of phosphorus in compound $(X)$ is : (nearest integer) (Given, molar mass in $\mathrm{g} \mathrm{mol}^{-1}: \mathrm{O}=16, \mathrm{Mg}=24, \mathrm{P}=31$)
Among $Fe^{2+}, Fe^{3+}, Cr^{2+}$ and $Zn^{2+}$, the ion that shows positive borax bead test and with highest ionisation enthalpy is:
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