Amongst the following ions, which is considered as most stable in M2+ state?
Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.
Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA
Half reactions with lowest standard reduction have stable reactants (ions).
Here, Ti2+ + 2e– → Ti[Reduction]
The standard reduction potential of this reaction is least. So, the reactant Ti2+ is more stable.