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

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 [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 from the options given below

(A) Statement I is true but Statement II is false
(B) Statement I is false but Statement II is true
(C) Both Statement I and Statement II are false
(D) Both Statement I and Statement II are true

Prashant Kotian · Accepted Answer

Correct answer: C. Sc 3+, Ti 4+ and Zn 2+ are colourless Th 4+ cannot act as a reducing agent. ALLEN 

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