Redox Reactions

Answer all the questions

1. Complete the following:

(i) Oxidation is the loss of _____________ or the ________ of oxygen.

(ii) Reduction is the loss of _____________ or the ________ hydrogen.

2. For each of the following reactions, explain which substance is oxidized and which substance is reduced?

(a) Fe2O3 + 3CO  2Fe + 3CO2

_______________ is oxidized.

Reason: ____________________________________________________

___________________________________________________________

_______________ is reduced.

Reason: ____________________________________________________

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(b) 4HCl + MnO2  MnCl2 + Cl2 + 2H2O

_______________ is oxidized.

Reason: ____________________________________________________

___________________________________________________________

_______________ is reduced.

Reason: ____________________________________________________

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