1.

Though phosphorus acid contains three hydrogens, it is a dibasic acid. Give reasons.

Answer»

SOLUTION :Formula of phosphorous ACID `H_(3)PO_(3)* H_(3)PO_(3)` on DISSOLUTION in water produces only two `H^(+)` ions. Only these two hydrogens are replaceable and the other hydrogen is non-replaceagle. Hence it is a DIBASIC acid.


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