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

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Various oxidation states of few elements are mentioned. Which of the options is not correctly matched ?
A. Phosphorus: +3 to +5
B. Nitrogen : +1 to +5
C. Iodine : -1 to +7
D. Chromium : -3 to +6
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1 Answer

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Correct Answer - D
Chromium does not show negative oxidation state.
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