Question

Which has maximum potential for the half cell reaction?

Answer 1

1 M HCl has the maximum potential for the half cell reaction.

Explanation:

• Half cell reaction involves either oxidation reaction or reduction reaction.

• Oxidation reaction refers to the reaction in which the electrons are lost by the atom.

• Reduction reaction involves the gaining of electrons.

• Half cell reactions are useful in voltaic cells and galvanic cells.

• M in 1M HCl denotes the molarity. It expresses the concentration in terms of the number of moles/volume.

• In electrochemical cell electrons are lost at the anode and gained at the cathode.

• Here the 1 M of HCl which is equal to the 1 M $H^+$ ions.

• Because the concentration of $H^+$ ion is higher.

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