Which of the following are correct statement?
(A) In the solid state PI; exist as [PI4] I-.
(B) Pentahalides are more io

Which of the following are correct statement?
(A) In the solid state PI; exist as [PI4] I-.
(B) Pentahalides are more ionic than trihalides because the elements
in the higher oxidation state exert more polarizing power
(C) Pure nitrogen can be obtained by the thermal decomposition of
sodium azide
(D) Oxoacids of phosphorous acidity order as
H3 PO2 > H3PO3 > H3PO4
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