D And F Block Elements Question 239
Question: Which of the following pair of ions may exhibit same colour
Options:
A) $ C{{r}^{3+}} $ and $ F{{e}^{2+}} $
B) $ T{{i}^{+++}} $ and $ {{V}^{++}} $
C) $ F{{e}^{+++}} $ and $ M{{n}^{++}} $
D) $ C{{u}^{+}} $ and $ N{{i}^{2+}} $
Show Answer
Answer:
Correct Answer: A
Solution:
$ Cr^{3+} $ $\rightarrow$ green
$ F{{e}^{+++}} $ $\rightarrow$ Pale-green
BETA
