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State the chemical reaction of sulphur …

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State the chemical reaction of sulphur dioxide with pottasium dichromate .

Posted by Sajal Samveg 5 years ago

CBSE > Class 10 > Science

1 answers

Yogita Ingle 5 years ago

Sulphur dioxide gas changes acidifed Potassium Dichromate solution from orange to green.
Chemical reaction:

Sulphur dioxide reacts with acidified potassium Dichromate solution to give Chromium Sulphate , Poatssium sulphate and water.

3SO₂₍g) + K₂Cr₂O₇(aq) +H₂SO₄(aq) ---------> Cr₂(SO₄)₃ (aq) + K₂SO₄ (aq) +H₂O(l)

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CBSE > Class 10 > Science