Question

Explain the following: Tendency to show –2 oxidation state diminishes from S to Po in group 16 elements.

Answer 1

The chalcogens have no stable metallic elements. ... Because the electronegativity of the chalcogens decreases down the group, so does their tendency to acquire two electrons to form compounds in the −2 oxidation state. The lightest member, oxygen, has the greatest tendency to form multiple bonds with other elements.

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