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Test for Sulphuric Acid

The products ...

Question

The products formed when $S O_{2}$ reacts with acidified potassium dichromate solution is :

A

water

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B

potassium sulphate

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C

chromium sulphate

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D

hydrochloric acid

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Solution

The correct options are
A
water

B
potassium sulphate

C
chromium sulphate

The products formed are as follows :

$S O_{2} + K_{2} C r_{2} O_{7} + 3 H_{2} S O_{4} \to K_{2} S O_{4} + C r_{2} (S O_{4})_{3} + 3 H_{2} O$

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