Practice question
Question
What is the oxidation number of Mn in KMnO₄ ?
Explanation
K is +1, O is -2. Sum is zero: +1 + x + 4(-2) = 0, 1 + x - 8 = 0, x = +7 . This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.
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