Chemistry, asked by allujothika4491, 11 months ago

What happens when sulphur dioxide gas reaction with acidified potassium dichromate solution?

Answers

Answered by sachinbijarniya

Sulphur dioxide gas (SO2) is bubbled through acidified potassium dichromate (K2Cr2O7/H+). ... SO2 is a colourless gas, so the intial solution isorange. The solution turns green because the Cr2O72- is reduced to Cr3+ which is a green ion- so thesolution turns from orange to green.

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