CH-1761
Oxidation states
Chemistry · Secondary 4 · Hard · Oxidation states
A sample of nitrogen dioxide, , is both oxidised and reduced in the same reaction to form nitric acid and nitrous acid.
In terms of oxidation state of nitrogen, which statement is correct?
In terms of oxidation state of nitrogen, which statement is correct?
- N is reduced from +5 to +3 only.
- N is oxidised from +3 to +5 only.
- N is oxidised from +4 to +5 and reduced from +4 to +3.
- N keeps the same oxidation state in all products.
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