JEE Main Chemistry · The d- and f-Block Elements

Standard Electrode Potential Trends

Standard Electrode Potential Trends (The d- and f-Block Elements) was asked once in the 42 JEE Main shifts Lumi analysed, in 2022. 1 of the 1 had a numerical answer.

Times asked: 1; in 1 shift
Years: 2022
Usual format: Numerical value; Multi-step
Pattern: Occasional; asked once so far

How it is asked

Magnetic moment of ion that cannot liberate h2

Difficulty

Easy 0Medium 0Hard 1

Where it sits

Chapter: The d- and f-Block Elements. Topic: d-Block Elements, 51 questions over 25 ideas.

The question

Newest first, each with its options and official answer.

25 Jul 2022, Shift 1 · Q87Among $\mathrm{Co^{3+},\ Ti^{2+},\ V^{2+}}$ and $\mathrm{Cr^{2+}}$ ions, one if used as a reagent cannot liberate $\mathrm{H_2}$ from…HardNumerical value