Statement I: The number of pairs, from the following, in which both the ions are coloured in aqueous solution is 3. [Sc³⁺, Ti³⁺], [Mn²⁺, Cr²⁺], [Cu²⁺, Zn²⁺] Statement II: Th⁴⁺ is the strongest reducing agent among Th⁴⁺, Ce⁴⁺, Gd³⁺ and Eu²⁺.
Given below are two statements: Statement I: The number of pairs, from the following, in which both the ions are […]