JEE Main Chemistry question

Chemistry The p-Block Elements JEE Main

The elements , , can have two (common) positive oxidation states. Which one of the following is correct?

(A) and Correct
(B) and
(C) and
(D) and

Answer: (A)

Solution

, and commonly show the (e.g. , ) and (e.g. , ) oxidation states.

Question ID VK-146576