MCQ
How many electrons does potassium permanganate accept in alkaline medium?
- A5
- B4
- ✓3
- D2
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(Given Atomic No. of $\mathrm{Ho}=67$ )


${K}_2 \mathrm{Cr}_2 \mathrm{O}_7$ & ${CuSO}_4$
SideX $SPM$ Side $\mathrm{Y}$ Due to osmosis :
