Question

At 298 K, a 1 litre solution containing 10 mmol of Cr₂O₇^2– and 100 mmol of Cr³⁺ shows a pH of 3.0.

Given : Cr₂O₇^2– → Cr³⁺; E⁰ = 1.330 V and \(\frac{2.303RT}{F} = 0.059 \) V

The potential for the half cell reaction is x × 10^–3 V. The value of x is _______.

Answer 1

Correct answer is 917.