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Consider the Elements: Cs, Ne, I and F Identify the Element that Exhibits Both Positive and Negative Oxidation States. - Chemistry

Consider the elements: Cs, Ne, I and F

Identify the element that exhibits both positive and negative oxidation states.

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Solution 1

I exhibits both positive and negative oxidation states. It exhibits oxidation states of – 1, + 1, + 3, + 5, and + 7.

Solution 2

 I. Because of the presence of seven electrons in the valence shell, I shows an oxidation state of -1 (in compounds of I with more electropositive elements such as H, Na, K, Ca, etc.) or an oxidation state of +1 compounds of I with more electronegative elements, i.e., O, F, etc.) and because of the presence of d-orbitals it also exhibits +ve oxidation states of +3, +5 and +7.

Concept: Oxidation Number - Introduction
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APPEARS IN

NCERT Class 11 Chemistry Textbook
Chapter 8 Redox Reactions
Q 22.3 | Page 274
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