NEET Chemistry Oxidation Number MCQ Question
Which of the following statements about oxidation numbers is correct?
Fractional oxidation numbers are sometimes observed in compounds like C3O2 and Na2S4O6.
Oxidation numbers can never be fractional in any chemical compound.
Oxidation numbers only apply to metals and not to non-metals in compounds.
The oxidation number of an element is always a whole number in every compound.
Correct Answer
Detailed Explanation
Fractional oxidation numbers, as mentioned in the NCERT context, can be seen in certain compounds, such as C3O2 where carbon has an oxidation number of (4/3).
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