Various oxidation states of few elements are mentioned. Whi…

Chemistry Redox Reaction General Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Various oxidation states of few elements are mentioned. Which of the options is not correctly matched?

Phosphorus: +3 to +5

Nitrogen: +1 to + 5

Iodine: -1 to +7

Chromium: -3 to +6

Text Solution

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The correct answer is:

Iodine: -1 to + 7

Phosphorus: +3 to +5

Nitrogen: +1 to +5

Chromium does not show negative oxidation state.

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