NCERT Class XII Chemistry
Chapter - The p-Block Elements
Questions with Solutions
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Question : 52
Total: 74
What happens when H 3 P O 3
Solution:
On heating phosphorous acid dispropotionates to giveorthophosphoric acid and phosphine.
4 H 3 P O 3 → 3 H 3 P O 4 + P H 3
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