JEE Main 2022 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 24 June 2022, Shift 1, Chemistry Q84

Question 84 of 90 in this shift, Chemistry question 24 of 30, Section B.

The cell potential for the following cell

\mathrm{Pt\,|H_2(g)|H^+(aq)\|\ Cu^{2+}(0.01\ M)|Cu(s)}

is 0.576 V at 298 K. The pH of the solution is ______. (Nearest integer) (Given :

E^\circ_{\mathrm{Cu^{2+}/Cu}}=0.34

V and

\frac{2.303RT}{F}=0.06

Official answer

NTA final key (2022 Session 1).

Chapter: Electrochemistry
Topic: Nernst Equation
Idea tested: Full Cell Nernst Equation

Same idea in other shifts

Asked 6× 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 42 of the 174 JEE Main shifts held from 2017 to 2026.