Advertisements
Advertisements
प्रश्न
Divide the following reactions into oxidation and reduction half-reaction:
Zn + Cu2+ → Cu + Zn 2+
Advertisements
उत्तर
Zn + Cu2+ → Cu + Zn 2+
Zn → Zn 2+ + 2 e- ---- Oxidation
Cu2+ + 2 e → Cu ---- Reduction
APPEARS IN
संबंधित प्रश्न
Explain the following in terms of gain or loss of oxygen with one example:
Oxidation
Identify from the reaction the reactants that undergo oxidation and reduction.
2Mg + O2 → 2MgO
Give the general group study of hydrogen with reference to
reducing power
Which of the following statements about hydrogen is incorrect?
Name:
a solid that is an oxidizing agent.
State a reason why, when hydrogen is passed over heated copper oxide, the resultant product formed, differs in colour from the original reactant.
State what is reducing agent. Give an example of oxidising agent in the gaseous, liquid, and solid form.
Write chemical formula for rust.
Find the oxidation number of the elements in the following compounds.
- C in CO2
- Mn in MnSO4
- N in HNO3
In the redox reaction:
MnO2 + 4HCl → MnCl2 + 2H2O + Cl2
