JEE Main 2022 · 24 Jun · Shift 2 · Chemistry Q87

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ChemistryInteger+4 / -1Question 87 of 90

Manganese (VI) has ability to disproportionate in acidic solution. The difference in oxidation states of two ions it forms in acidic solution is ______.

Your answer

Answer and worked solution

Official answer: 3

Disproportionation. $\mathrm{3MnO_4^{2-}+4H^+\rightarrow2MnO_4^-+MnO_2+2H_2O}$ .

Oxidation states. +7 in permanganate and +4 in $\mathrm{MnO_2}$ ; difference 3.

Answer: 3

Topics:Important compounds (KMnO4, K2Cr2O7)Oxidation number

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JEE Main 2022 · 24 Jun · Shift 2, Chemistry question 87