edurack

Electrochemistry: JEE Mains 2022, June 28 - Shift 1

Easy· Electrolysis and Faraday's laws· +4 / −1

Calculate the amount of electricity needed to convert one mole of

\mathrm{Cr_2O_7^{2-}}

to

\mathrm{Cr^{3+}}

.

Practise more Electrochemistry PYQs

A dilute solution of sulphuric acid is electrolysed using a current of 0.10\ A for 2 hours to produce hydrogen and oxygen gas. The total…
JEE Mains 2022 June 29 Shift 1 · Medium
The cell potential for the given cell at 298\ K Pt\,|\,H_2(g,\,1\ bar)\,|\,H^+(aq)\,||\,Cu^2+(aq)\,|\,Cu(s) is 0.31\ V . The pH of the…
JEE Mains 2022 June 29 Shift 2 · Hard