What happens when SO2 gas is passed through a potassium permanganate solution-

Potassium permanganate is a nbsp;purple coloured chemical compound.When SO2 nbsp;gas is passed through potassium permangante nbsp;solution, the solution b ...

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Standard VIII

Chemistry

Chemistry in Our Daily Life

What happens ...

Question

What happens when SO₂ gas is passed through a potassium permanganate solution?

Colour changes from red to violet

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Colour changes from orange to red

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Solution becomes colourless

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Colour changes from red to orange

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Solution

The correct option is C Solution becomes colourless
Potassium permanganate is a purple coloured chemical compound.When SO₂gas is passed through potassium permangante solution, the solution becomes colourless. This is the potassium permanganate test for sulphur dioxide gas.

$2 K M N O_{4} (a q) + 2 H_{2} O (l) + 5 S O_{2} (g) \to K_{2} S O_{4} (a q) + 2 M N S O_{4} (a q) + 2 H_{2} S O_{4} (a q)$

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What happens when SO2 gas is passed through a potassium permanganate solution?

What happens when SO₂ gas is passed through a potassium permanganate solution?