Question

Equation	Oxidation reaction	Reduction reaction	Oxidant	Reductant	Concept that you used to reach your conclusion
H₂S + 2FeCl₃ $\to$ 2HCl + S + 2FeCl₂
2Na + H₂ $\to$ 2NaH	2Na $\to$ 2Na⁺ +2e^-	H₂ + 2e^{- $\to$}2H^-
Zn + CuSO₄ $\to$ ZnSO₄ + Cu
FeO + CO $\to$ Fe + CO₂
FeSO₄ + Zn $\to$ ZnSO₄ + Fe

Accepted Answer

Oxidation reactions involve addition of oxygen or chlorine, elimination of hydrogen or electron. Reduction reactions involve elimination of oxygen or chlorine, addition of hydrogen or electron.

Equation Oxidation reaction Reduction reaction Oxidant Reductant Concept that you used to reach your conclusion

H₂S + 2FeCl₃ $\to$ 2HCl + S + 2FeCl₂ S^2- $\to$ S +2e^- 2Fe³⁺ + 2e^- $\to$ 2Fe²⁺ FeCl₃ H₂S Elimination of Cl from FeCl₃

2Na + H₂ $\to$ 2NaH 2Na $\to$ 2Na⁺ +2e^- H₂ + 2e^- $\to$ 2H^- H₂ Na Addition of H to Na

Zn + CuSO₄ $\to$ ZnSO₄ + Cu Cu²⁺ + 2e^- $\to$ Cu Zn + 2e^- $\to$ Zn²⁺ CuSO₄ Zn Addition of O to Zn

FeO +CO $\to$ Fe + CO₂ C²⁺ - 2e^- $\to$ C Fe²⁺ + 2e^- $\to$ Fe FeO CO Addition of O to CO

FeSO₄ + Zn $\to$ ZnSO₄ + Fe Zn - 2e^- $\to$ Zn²⁺ Fe²⁺ + 2e^- $\to$ Fe FeSO₄ Zn Addition of O to Zn

West Bengal Board Solutions for Chapter: Element, Compound and Chemical Reaction, Exercise 15: Exercise 15

West Bengal Board Science Solutions for Exercise - West Bengal Board Solutions for Chapter: Element, Compound and Chemical Reaction, Exercise 15: Exercise 15

Questions from West Bengal Board Solutions for Chapter: Element, Compound and Chemical Reaction, Exercise 15: Exercise 15 with Hints & Solutions

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