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Bond Order and Enthalpy

Name the gas ...

Question

Name the gas that can readily decolourises acidified $K M n O_{4}$ solution.

A

C O_{2}

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B

S O_{2}

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C

N O_{2}

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D

P_{2} O_{5}

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Solution

The correct option is C $S O_{2}$
$S O_{2}$ readily decolourises acidified $K M n O_{4}$ solution. $K M n O_{4}$ has purple colour. Sulphur dioxide gas acts as reducing agent whereas $K M n O_{4}$ is an oxidizing agent and gets decolourized.

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Similar questions

Q. Name the gas that can readily decolourise acidified

K M n O_{4}

Q. Name the gas that can readily decolourise acidified

K M n O_{4}

Q. Name the gas that can readily decolourise acidified

K M n O_{4}

2

litres of an acidified solution of

K M n O_{4}

1.58

K M n O_{4}

per litre is decolourised by passing sufficient amount of

S O_{2}

gas. If whole of the sulphur from

x

F e S_{2}

is converted into

S O_{2}

to be used in above reaction. Calculate the value of

x

.

2

L of an acidified solution of

K M n O_{4}

1.58

K M n O_{4}

per litre is decolourised by passing sufficient amount of

S O_{2}

gas. If whole of the sulphur from

x

F e S_{2}

is converted into

S O_{2}

to be used in the above reaction, calculate the value of

x

.

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