Chemistry Question from JEE Main 2026 · 28 January, Shift 1

Given below are two statements:

Statement I: The number of pairs, from the following, in which both the ions are coloured in aqueous solution is $3$: $[Sc^{3+},Ti^{3+}]$, $[Mn^{2+},Cr^{2+}]$, $[Cu^{2+},Zn^{2+}]$ and $[Ni^{2+},Ti^{4+}]$.

Statement II: $Th^{4+}$ is the strongest reducing agent among $Th^{4+}$, $Ce^{4+}$, $Gd^{3+}$ and $Eu^{2+}$.

In the light of the above statements, choose the correct answer.