D-And F-Block Elements Ques 371
Question: Which of the following ionic species will impart colour to an aqueous solution
[CBSE PMT 1998; BHU 2001]
Options:
A) $ T{{i}^{4+}} $
B) $ C{{u}^{+}} $
C) $ Z{{n}^{2+}} $
D) $ C{{r}^{3+}} $
Show Answer
Answer:
Correct Answer: D
Solution:
$ C{{r}^{+3}} $ due to presence of unpaired electrons.
