Question

Define standard reduction potential. what is its significance

Answer 1

The standard reduction potential is the tendency for a chemical species to bereduced, and is measured in volts atstandard conditions. The more positive the potential is the more likely it will be reduced

I am very confused with the signs of standard reduction potentials. For example the standard reduction potential of Zinc is −0.76 V and that of copper is +0.34 V.

I cannot understand the significance of the signs.

As far as I know,if the value is negative then the reaction is non-spontaneous(from the relation between Gibbs Free Energy change and Electrode potential).But if the reaction is non-spontaneous, then why are we classifying it as an electrochemical cell?

Should'nt it be classified as an electrolytic cell? (Sorry if that sounded incorrect but my basics are weak)

Answer 2

Explanation:

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