Question

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Answer 1

Answer:

E. Oxidation is a process in which there is loss of electron taking place. Or increase in there oxidation number.

Hence in the option (a) Mg - 2e- gives Mg2+

(b) Cu - 2e- gives cu2+

Option a and b is correct

Explanation:

F. This is very interesting question

See Na is in +1 oxidation state. Means it is in maximum oxidation state. Now Na will go to there minimum state by adding the electron it means it is reduction process taking place means na is a oxidising agent (like kmno4).

Similarly S is in - 2 means is in minimum oxidation state hence it will go to higher oxidation state by removing electron means oxidation will talking place hence the S is reducing agent.

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