At 298 K, the EMF of the cell pt | H₂ (1 bar) | H⁺(solution) || Cl⁻ | Hg₂Cl₂ Hg is 0.7530 V. The standard… · ABC26PH0397

Subject: Physical Chemistry · Chapter: Electrochemistry · Topic: Nernst Cells · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Medium

At 298 K, the EMF of the cell

$$\mathrm{pt\,|\,H_2\,(1\,bar)\,|\,H^+(solution)\,||\,Cl^-\,|\,Hg_2Cl_2\,Hg}$$

is 0.7530 V. The standard potential of the calomel electrode is 0.2802 V. If the liquid junction potential is zero, the pH of the solution is:

(a)4.7

(b)7.4

(c)8.0

(d)12.7

Answer

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Explanation

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