MEDIUMMCQ SINGLENEET ChemistryInorganic Chemistryp -Block Elements (group 15-18)Previous Year Questions

The species that is not hydrolysed in water is (KCET 2014)

A.P4O10✓ Correct

B.BaO2

C.CaC2

D.Mg3N2

Explanation

Chemical reactions that occur when P4O10, Mg3N2, CaCl2 and BaO2 reacts with water are as shown below: P4O10 + 6H2O -> 4H3PO4 Mg3N2 + 6H2O -> 3Mg(OH)2 + 2NH3 CaC2 + 2H2O -> Ca(OH)2 + C2H2 BaO2 + 2H2O -> Ba(OH)2 + H2O2

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