Which of the following statements is/are true about H_(3)PO_(2) ?
Answer»
It is a TRIBASIC acid. One mole of it is neutralized by `0.5` mol of `Ca(OH)_(2)`. `NaH_(2)PO_(2)` is acidic salt. It disproportionates to `H_(3)PO_(3)" and " PH_(3)` on heating.