During estimation of oxalic acid vs \( \mathrm{KMnO}_{4} \), self i...
During estimation of oxalic acid vs \( \mathrm{KMnO}_{4} \), self indicator is-
(1) \( \mathrm{KMnO}_{4} \)
(2) oxalic acid
(3) \( \mathrm{K}_{2} \mathrm{SO}_{4} \)
(4) \( \mathrm{MnSO}_{4} \)
\( \mathrm{P} \)
WV
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