First slide

Electronic configuration and Atomic , physical properties

Question

Which one of the following elements can show both positive and negative oxidation state ?

Easy

A

F
B

I
C

Li
D

He

Solution

The polarizabilty and electronegitivity of iodine is responsible for the negitive oxidation state in its compounds.
It combines with more electro negative elements like oxygen and fluorine to form compounds with positive oxidation state.

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