Choose incorrect option:-

KMnO₄ is isostructural with KClO₄

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MnO₂ when treated with fused KOH and oxidized in air, it gives KMnO₄(purple)

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Permanganate anion is diamagnetic

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Both manganate and permanganate anions are tetrahedral

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Solution

The correct option is B MnO₂ when treated with fused KOH and oxidized in air, it gives KMnO₄(purple)
$M n O_{2}$ when treated with fused KOH and oxidized in air, it gives $K_{2} M n O_{4}$ (purple)

$2 M n O_{+} 4 K O H + O_{2} ⟶ 2 K_{2} M n O_{4} + 2 H_{2} O$

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Similar questions

Q. The manganate and permanganate ions are tetrahedral, due to:

Potassium manganate $(K_{2} M n O_{4})$ is formed when:

Q. A sodium salt of unknown anion when treated with

M g C l_{2}

gives white precipitate only on boiling. The anion is/are:

$M n O_{2}$ when fused with KOH and oxidized in air gives a dark green compound X. In acidic X. In acidic solution, X undergoes disproportion to give an intense purple compound Y and $M n O_{2}$ . The compounds X and Y respectively, are

M n O_{2}

when fused with KOH and oxidized in air gives a dark green compound X. In acidic X. In acidic solution, X undergoes disproportion to give an intense purple compound Y and

M n O_{2}

. The compounds X and Y. respectively, are

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Choose incorrect option:-

The correct option is B MnO2 when treated with fused KOH and oxidized in air, it gives KMnO4(purple)MnO2 when treated with fused KOH and oxidized in air, it gives K2MnO4(purple) 2MnO+4KOH+O2⟶2K2MnO4+2H2O

The correct option is B MnO₂ when treated with fused KOH and oxidized in air, it gives KMnO₄(purple)
$M n O_{2}$ when treated with fused KOH and oxidized in air, it gives $K_{2} M n O_{4}$ (purple)

$2 M n O_{+} 4 K O H + O_{2} ⟶ 2 K_{2} M n O_{4} + 2 H_{2} O$