D-And F-Block Elements Ques 414
Question: Which of the following pairs involves isoelectronic ions
[UPSEAT 2004]
Options:
A) $ M{{n}^{3+}} $ and $ F{{e}^{2+}} $
B) $ M{{n}^{2+}} $ and $ F{{e}^{3+}} $
C) $ C{{r}^{3+}} $ and $ F{{e}^{2+}} $
D) $ F{{e}^{2+}} $ and $ C{{o}^{2+}} $
Show Answer
Answer:
Correct Answer: B
Solution:
Among the given choice $ M{{n}^{2+}} $ and $ F{{e}^{3+}} $ involve isoelectronic ions.
