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JEE · NEET Previous Year Question

$Which of the following is not oxidised by O_{3} ?$

Topic: JEE PYQ

Answer: B. Full step-by-step solution below.

A $KΙ$
B $K M n O_{4}$
C $K_{2} M n O_{4}$
D $F e S O_{4}$

Correct answer: B

Solution

(b) Mn in K M n O_{4} is in highest oxidation state can not be oxidised. I^{-}, MnO_{4}^{2-} and F e^{2 +} can be oxidised to I_{2}, MnO_{4}^{-} and F e^{3 +} respectively by O_{3} .

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