1.

Amount of oxalic acid present in a solution can be determined by its titration with KMnO_(4) solution in the presence of H_(2)SO_(4). The titration gives unsatisfactory result when carried out in the presence of HCl, because HCl

Answer»

FURNISHES `H^(+)` ions in addition to those from oxalic acid
Reduces permanganate to `Mn^(2+)`
OXIDISES oxalic acid to carbon dioxide and water
Get oxidised by oxalic acid to chlorine

Answer :B


Discussion

No Comment Found