For the cell reaction 2Fe^3+(aq) + 2I^-(aq) → 2Fe^2+(aq) + I2(aq) E^cell = 0.24 V at 298 K. The standard Gibbs energy (Δr G^) of the cell reaction is : [Given that Faraday constant F = 96500 C mol⁻¹]

NEET UG 2019 · Chemistry · Question 53

NEET 2019 Chemistry, question 53

Question 53 of the NEET 2019 paper (code P1) is a Chemistry question from Electrochemistry. Its idea, Gibbs Free Energy and EMF, was asked twice, in 2019 and 2023, across NEET 2017–2026. The NTA final answer key gives option 1.

Updated 2026-10-08

Q53 · Chemistry

2Fe^{3+}(aq) + 2I^-(aq) \to 2Fe^{2+}(aq) + I_2(aq)

1 -46.32 kJ mol⁻¹ Official answer 2 -23.16 kJ mol⁻¹ 3 46.32 kJ mol⁻¹ 4 23.16 kJ mol⁻¹

Official answer: option 1 · NTA final answer key

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