Class 12 NEET Chemistry D And F Block Elements Questions
© examsiri.com
Question : 65 of 110
Marks:
+1,
-0
In which of the following pairs are both the ions coloured in aqueous solution?
(At. no. : Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co = 27)
(At. no. : Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co = 27)
(2006)
Go to Question: