What happen when phosphorus burn in oxygen?
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phosphorous burns in oxygen to form P4O10 which is phosporous pentoxide
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When 4 mole of phosphorus burns with 5 mole of oxygen, it gives 2 mole of P2O5.
4P +5 O2 ==> 2P2O5
But when white phosphorus reacts with oxygen at 50℃ it gives 1 mole of P4O10.
4P + 5O2 ===> P4O10
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