Question

write the chemical reaction between sulphur dioxide and potassium dichromate​

Answer 1

Answer:

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

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

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)

Answer 2

Answer:

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Explanation:

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

(orange). (green)