NEET Chemistry Oxidation Number MCQ Question
Which of the following statements about oxidation numbers is correct?
The oxidation number of an element in a compound is always a whole number.
Fractional oxidation numbers can be assigned to elements in some compounds.
Oxidation numbers cannot indicate the oxidized or reduced form of a species.
The Stock notation uses Arabic numerals to represent oxidation states.
Correct Answer
Detailed Explanation
Statement B is correct as the NCERT text mentions examples of fractional oxidation numbers in compounds such as C3O2 and Na2S4O6. Statement A is incorrect because oxidation numbers can be fractional in certain cases. Statement C is misleading because oxidation numbers help identify oxidation states. Statement D is incorrect since Stock notation uses Roman numerals.
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