in H3PO2 it has only one p-oh bond but in case of H3PO3 there are 2 p-oh bonds and in H3PO4 there are three p-oh bonds. in the oxoacids of phosphorous the p-h bonds denote reducing character the p-oh bonds denote basicity less p-oh bond more the acidc charater therefore H3PO2 is more acidic than H3PO3 and H3PO4. satsified means pleaze vote
Moderation Team
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