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Electrochemistry question

2024 · Q20
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Electrochemistry question

2024 · Q20

IIT JAMChemistryElectrochemistryMCQ+2 / −0.67
In the cell reaction P+(aq)+Q(s)→P(s)+Q+(aq)P^+(aq) + Q(s) \rightarrow P(s) + Q^+(aq)P+(aq)+Q(s)→P(s)+Q+(aq) the EMF of the cell, EcellE_{cell}Ecell​ is zero. The standard EMF of the cell, EcelloE_{cell}^oEcello​ is [Given: Activities of all solids are unity. Activity of P+(aq)P^+(aq)P+(aq) is 2 M. Activity of Q+(aq)Q^+(aq)Q+(aq) is 1 M. RRR = universal gas constant; TTT = temperature; FFF = Faraday constant]
  1. A
    RTF\frac{RT}{F}FRT​
  2. B
    RT2F\frac{RT}{2F}2FRT​
  3. C
    −RTFln⁡(2)-\frac{RT}{F}\ln(2)−FRT​ln(2)
  4. D
    RTFln⁡(2)\frac{RT}{F}\ln(2)FRT​ln(2)
View written solutionFree

Correct answer: C

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