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Chemistry
Which of the following forms stable + 4 oxidation state?
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Q. Which of the following forms stable + 4 oxidation state?
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The d-and f-Block Elements
A
La(Z = 57)
10%
B
Eu(Z = 63)
10%
C
Ce(Z = 58)
73%
D
Gd(Z = 64)
7%
Solution:
Only Ce(Z = 58) shows stable (+4) oxidation state.