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Cell reaction is spontaneous when
Options
(a) ΔG⁰ is negative
(b) ΔG⁰ is positive
(c) ΔE⁰ Red is positive
(d) ΔE⁰Red is negetive
Correct Answer:
ΔG⁰ is negative
Explanation:
For a cell reaction to be spontaneous ΔG⁰ should be negative.
As ΔG⁰ = -nFE⁰, so the value will be -ve only when E⁰ is +ve.
n = no.of electrons involved, F = value of faraday’s constant.
Related Questions: - For isothermal change in the case of an ideal gas
- When KMnO₄ reacts with KBr in alkaline medium gives bromate ion. Then oxidation
- In which of the following reaction, the hydrogen peroxide is a reducing agent?
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Topics: Thermodynamics
(179)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For isothermal change in the case of an ideal gas
- When KMnO₄ reacts with KBr in alkaline medium gives bromate ion. Then oxidation
- In which of the following reaction, the hydrogen peroxide is a reducing agent?
- ‘Metals are usually not found as nitrates in their ores”. Out of the following two
- Measurement of the dry gas from the volume of moist gas is based on
Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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