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

chlorine is passed through aqueous

K M n O_{4}

solution.

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manganese dioxide is fused with potassium hydroxide in air.

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formaldehyde reacts with potassium permanganate in presence of a strong alkali .

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potassium permanganate reacts with

H_{2} {S O}_{4}

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Solution

The correct options are
C manganese dioxide is fused with potassium hydroxide in air.
D formaldehyde reacts with potassium permanganate in presence of a strong alkali .
manganese dioxide is fused with potassium hydroxide in air.

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

formaldehyde reacts with potassium permanganate in presence of a strong alkali .

$H C H O$ + $2 K M n O_{4}$ + $2 K O H$ $\to$ $K_{2} M n O_{4}$ + $H_{2} O$ + $H C O O H$

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Similar questions

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

When potassium permanganate is heated it produces potassium manganate, manganese dioxide and oxygen gas. This is an example of ______ reaction.

C O_{2}

F e S O_{4} ?

S n C l_{2}

M n S O_{4}

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