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Eamcet Chemistry
Unit - 3 Periodic Classification -Valency

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Which of the following statements are wrong
I) Bi³⁺ is more stable than Bi⁵⁺
II) Mn shows + 8 oxidation state.
III) The oxidation state of an element is always less than or equal to its group number
IV) s-block elements show variable oxidation states The answer is

A. II and IV

B. II and III

C. I, II and III

D. II, III and IV

E. None of the above

View Answer

Correct choice: D

Explanation:

none

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Eamcet Chemistry Unit - 3 Periodic Classification -Valency

Eamcet Chemistry
Unit - 3 Periodic Classification -Valency