At 298 K, a 1 litre solution containing 10 mmol of C r₂ O₇²⁻ and 100 mmol of Cr³⁺ shows a pH of 3.0. Given: C r₂ O₇²⁻ → C r³⁺; E° = 1.330 V and (2.303 RT)/F = 0.059 V The potential for the half cell reaction is x×10⁻³ V. The value of x is _ _ _ _ _

Redox Reactions and Electrochemistry: JEE Main 2023 Chemistry question

JEE Main 2023 · 24 Jan, Morning shift · Q7

JEE Main 202324 Jan, Morning shiftChemistryHardRedox Reactions and Electrochemistry138× since 2002

At 298 K, a 1 litre solution containing 10 mmol of

\mathrm{C{r_2}O_7^{2 - }}

and 100 mmol of

\mathrm{Cr^{3+}}

shows a pH of 3.0. Given :

\mathrm{C{r_2}O_7^{2 - } \to C{r^{3 + }}\,;\,E^\circ = 1.330}

V and

\mathrm{{{2.303\,RT} \over F} = 0.059}

V The potential for the half cell reaction is

x\times10^{-3}

V. The value of

x

is __________

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2023 Redox Reactions and Electrochemistry Question with Answer (24 Jan Morning shift, Q7) | JEE Arc