MCQ
Most stable complex ion is
- A$[Fe(Cl_6)]^{-3}$
- ✓$[Fe(CN)_6]^{-3}$
- C$[Fe(CN)_6]^{-4}$
- D$[Fe(H_2O)_6]^{+3}$
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$(A)$ $H _2 O _2$ in presence of $NaOH$
$(B)$ $Na _2 O _2$ in water
$(C)$ $H _2 O _2$ in presence of $H _2 SO _4$
$(D)$ $Na _2 O _2$ in presence of $H _2 SO _4$
Product $(B)$ of above the reaction is