Question
Explain the following :
$H_3PO_3$ is not a tribasic acid .
$H_3PO_3$ is not a tribasic acid .
✓
Answer
$H _3 PO _3$ is not a tribasic acid because in oxyacids of phosphorus, hydrogen atoms which are attached to oxygen atoms are replaceable. Hydrogen atoms directly bonded to phosphorus atoms are not replaceable
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