JEE Main 2026 Chemistry question
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 Statement II : is the strongest reducing agent among and . In the light of the above statements, choose the correct answer from the options given below
Answer: (3)
Solution
and are colourless, so pairs [Sc,Ti] and [Cu,Zn] and [Ni,Ti] all have at least one colourless ion,
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