JEE Main 2022 · ChemistryNumerical answerNumerical valueMediumMulti-step

JEE Main 27 June 2022, Shift 2, Chemistry Q87

Question 87 of 90 in this shift, Chemistry question 27 of 30, Section B.

For the reaction taking place in the cell:

\mathrm{Pt(s)|H_2(g)|H^{+}(aq)\,||\,Ag^{+}(aq)|Ag(s)}

\mathrm{E^\circ_{cell}}

= + 0.5332 V. The value of

\Delta_f G^{\ominus}

is __________

\mathrm{kJ\ mol^{-1}}

. (in nearest integer)

Official answer

NTA final key.

Chapter: Electrochemistry
Topic: Nernst Equation
Idea tested: Gibbs Energy and EMF

Same idea in other shifts

Asked 4× in all

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.