state gov BSSC Laboratory Assistant Mock Test Series 2025 Chemistry d And f - Block Elements

Which of the following ions will be coloured in the aqueous solution?

(A) Ti3+

(B) Nb3+

(C) Cu3+

(D) Y3+

Choose the correct answer from the options given below:

1
(C) and (D) only
2
(A), (B) and (D) only
3
(A) and (B) only
4
(A), (B), (C) and (D)
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