Question

Identify from the following reactions, the reactions that
undergo oxidation and reduction.
a. 2 Ag2 O ----> 4 Ag + 02 ^
b.2Mg +02----> 2MgO​

Answer 1

Answer:

Reaction A undergoes reduction as oxygen is removed from 2Ag2O.

While

Reaction B undergoes oxidation as oxygen os added to 2Mg.

Answer 2

Answer:

a. Ag2O get reduced here to Ag.

This is reduction reaction.

b. Mg get oxidised to MgO.

This is oxidation reaction.