MCQ
Which one is buffer solution
- A$[PO_4^{ - --}]\,\,[[HPO_4^{ - - }]$
- ✓$[PO_3^{3--}]\,\,[[{H_2}PO_4^{-- - }]$
- C$[HPO_4^{-- - }]\,\,[[{H_2}PO_4^{-- - }]$
- DAll of these
✓
Answer
Correct option: B.
$[PO_3^{3--}]\,\,[[{H_2}PO_4^{-- - }]$
(b)[Normal salt $+$ acidic salt] is a buffer solution.
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