D-And F-Block Elements Ques 476
Question: On the basis of data given below,
Which of the following statements is incorrect-
Options:
A) $ S{{c}^{3+}} $ has good stability due of $ [ Ar ]3d^{0}4s^{0} $ configuration.
B) $ M{{n}^{3+}} $ is more stable than $ M{{n}^{2+}} $ .
C) $ C{{r}^{2+}} $ is reducing in nature.
D) Copper does not give $ H_2 $ on reaction with dil. $ H_2SO_4 $ .
Show Answer
Answer:
Correct Answer: B
Solution:
$ M{{n}^{2+}}(d^{5}) $ is more stable than $ M{{n}^{3+}}(d^{4}), $ $ E_{M{{n}^{3+}}/M{{n}^{2+}}}^{-}=+Ve $
