Sulphur Dioxide Bleaches Colouring Matter By

Why Kaysons ?

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Question

Sulphur dioxide bleaches colouring matter by

easy

Solution

Correct option is

Reduction

It is the due to reduction of SO₂ to S which produces bleaching effect.

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SIMILAR QUESTIONS

Q1

The number S – S bonds in sulphur trioxide trimer, (S₃O₉) is:

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Q2

Which is the most thermodynamically stable allotropic form of phosphorus?

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Q3

Which acid will you use to dissolve lead (II) oxide?

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Q4

Which of the following is not hydrolysed?

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Q5

When Sn is treated with conc. HNO₃

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Q6

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Q7

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Q9

KF combines with HF to form KHF₂. The compound contains the species:

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Q10

Chlorine acts as a bleaching agent only in presence of:

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