MnO2 - KOH - O2 -pot manganate2K2 MnO4 - 4H2O-If true enter 1 else 0-

The correct option is A 1 MnO_2 + KOH + O_2 Δ→pot manganate2K_2 MnO_4 + 4H_2O Manganese dioxide reacts with KOH and oxygen to form potassium manganate.The ...

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Byju's Answer

Standard XII

Chemistry

Oxides of Xenon

MnO2 + KOH + ...

Question

$M n O_{2} + K O H + O_{2} Δ \to 2 K_{2} M n O_{4} + 4 H_{2} O p o t m a n g a n a t e$ .
If true enter 1 else 0.
1

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Solution

The correct option is A 1
$M n O_{2} + K O H + O_{2} Δ \to 2 K_{2} M n O_{4} + 4 H_{2} O p o t m a n g a n a t e$
Manganese dioxide reacts with KOH and oxygen to form potassium manganate.
The oxidation number of Mn changes from +4 to +6.

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Similar questions

Q. If the following preparations are carried out. "Potassium permanganate from manganese dioxide".

Balanced reaction is given by :

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

2 K_{2} M n O_{4} + {C l}_{2} \to 2 K M n O_{4} + 2 K C l

If the given statement is true enter 1 else 0.

Q. Increasing basic character:

M g {(O H)}_{2} < L i O H < N a O H < K O H

if true enter 1, else enter 0.

3 M n O_{4}^{2 -} + 4 H^{+} ⟶ M n O_{2} + 2 M n O_{4}^{-} + 2 H_{2} O

The above reaction is a disproportionation reaction. If true enter 1, else enter 0.

Q. When

C O_{2}

gas is passed into

{M n O}_{4}^{2 -}

solution, a disproportionation reaction takes place.

3 M n O_{4}^{2 -} + 4 H^{+} \to M n O_{2} + 2 M n O_{4}^{-} + H_{2} O

If true enter 1, else enter 0.

Q. Oxidation number of

M n

M n O_{2}, M n O_{4}^{2 -}, M n O_{4}^{-}

are

4

+ 6

and

+ 7

respectively.
If true enter 1, else enter 0.

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MnO2+KOH+O2Δ→2K2MnO4+4H2Opotmanganate.If true enter 1 else 0.1

The correct option is A 1MnO2+KOH+O2Δ→2K2MnO4+4H2OpotmanganateManganese dioxide reacts with KOH and oxygen to form potassium manganate.The oxidation number of Mn changes from +4 to +6.

$M n O_{2} + K O H + O_{2} Δ \to 2 K_{2} M n O_{4} + 4 H_{2} O p o t m a n g a n a t e$ .
If true enter 1 else 0.
1

The correct option is A 1
$M n O_{2} + K O H + O_{2} Δ \to 2 K_{2} M n O_{4} + 4 H_{2} O p o t m a n g a n a t e$
Manganese dioxide reacts with KOH and oxygen to form potassium manganate.
The oxidation number of Mn changes from +4 to +6.