Label the following parts of the galvanic cell.
anode
cathode
reducing agent
oxidizing agent
Interpretation:
The given parts should be labelled in the galvanic cell:
Concept Introduction:
The oxidation and reduction can be identified by change in oxidation state. If oxidation state of atom of an element increases, it undergoes oxidation and if it decreases, it undergoes reduction.
The general oxidation and reduction half reactions are as follows:
Here,
Similarly,
Here,
The substance that reduces others and itself get oxidised is known as reducing agent and the substance that oxidizes others and itself get reduced is known as oxidizing agent.
Since, oxidation is loss of electrons, electrons are lost from solution D to solution B thus, solution D is where oxidation takes place and it is a reducing agent...
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