D-And F-Block Elements Ques 380
Question: Which of the following pair of ions may exhibit same colour
Options:
A) $ C{{r}^{+++}} $ and $ F{{e}^{++}} $
B) $ T{{i}^{+++}} $ and $ {{V}^{++}} $
C) $ F{{e}^{+++}} $ and $ M{{n}^{++}} $
D) $ C{{u}^{+}} $ and $ N{{i}^{++}} $
Show Answer
Answer:
Correct Answer: A
Solution:
$ C{{r}^{+++}} $ $\rightarrow$ green
$ F{{e}^{+++}} $ $\rightarrow$ Pale-green
