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Which of the ...

Question

Which of the following 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 B Standard voltaic potential
Standard Voltaic potential is always postive for a spontaneous chemical reaction.
Gibbs energy is negative for spontaneous reaction.
$Δ G^{o} = - n F E_{c e l l}^{o}$

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