MCQ
In complex compounds, metal ligand bond is
- ✓Coordinate bond
- BHydrogen bond
- CIonic bond
- DCovalent bond
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$RCHO + NH_2NH_2 \rightarrow RCHN = NH_2$
What sort of reaction is it ?

$(a)$ Hydrogen gas is released at cathode
$(b)$ Oxygen gas is released at anode.
$(c)$ $pOH$ of solution decreases
$(d)$ There is deposition of potassium at cathode
Choose the correct option from following