MCQ
Acidified permanganate solution does not oxidize
- A${C_2}O_4^{2 - }\left( {aq.} \right)$
- ✓$NO_3^ - \left( {aq.} \right)$
- C${S^{2 - }}\left( {aq.} \right)$
- DNone of these
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Which of the following graphs correctly depicts the change in $pH?$