In Which of the Following Pairs Is the Oxidation Number

question 36

Multiple Choice

In which of the following pairs is the oxidation number for the underlined element INCORRECT?

• A) MnO₄^-/(+7 )
• B) SO₄^2-/(+4)
• C) NH₄⁺/(-3)
• D) NO₃^-/(+5)
• E) Cr₂O₇^2-/(+6)

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