A white precipitate was formed when BaCl2 was added to water extract of an inorganic salt. Further, a gas ′X′ with characteristic odour was released when the formed white precipitate was dissolved in dilute HCI. The anion present in the inorganic salt is:
Held on 29 Jun 2022 · Verified 6 Jul 2026.
I−
SO32−
S2−
NO2−
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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 $\mathrm{g} \mathrm{mol}^{-1}: \mathrm{O}=16, \mathrm{Mg}=24, \mathrm{P}=31$)
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