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Byju's Answer
Standard XII
Chemistry
Conductivity MP BP and Electronegativity (Group 2)
Which quantit...
Question

Which quantity is always positive for a spontaneous chemical reaction ?

A
Standard voltaic potential
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B
Entropy
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C
Enthalpy
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D
Reaction rate
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E
Gibbs free energy
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Solution

The correct option is A Standard voltaic potential
Standard voltaic potential is always positive for a spontaneous chemical reaction.
For non spontaneous chemical reaction, the standard voltaic potential is always negative.

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