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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: - A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained
- Arrange the following in increasing order of acidity H₃PO₄ , H₂CO₃ , HCl , HI
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Topics: Thermodynamics
(179)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained
- Arrange the following in increasing order of acidity H₃PO₄ , H₂CO₃ , HCl , HI
- What is the entropy change (in J K⁻¹ mol⁻¹) when one mole of ice is converted
- Specific conductance of 0.1 M sodium chloride solution is 1.06 ˣ 10⁻²
- The hybridization involved in complex [Ni(CN)₄]²⁻ is (At.No.Ni = 28)
Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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