Classification Of Elements And Periodicity In Properties Question 102
Question: Which of the following does not represent the correct order of the property indicated [CBSE PMT 1997]
Options:
A) $ S{{c}^{3+}}>C{{r}^{3+}}>F{{e}^{3+}}>M{{n}^{3+}} $ ionic radii
B) $ Sc<Ti<Cr<Mn $ Density
C) $ M{{n}^{2+}}>N{{i}^{2+}}<C{{o}^{2+}}<F{{e}^{2+}} $ ionic radii
D) $ FeO<CaO\gt MnO>CuO $ Basic nature
Show Answer
Answer:
Correct Answer: A
Solution:
$ S{{c}^{3+}}>C{{r}^{3+}}>F{{e}^{3+}}>M{{n}^{3+}} $ the correct order is $ C{{r}^{+3}}>M{{n}^{+3}}>F{{e}^{+3}}>S{{c}^{+3}} $
BETA
