Reaction between k2cr2o7 with so2
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Cr2O72- (aq) + 2H+ (aq) + 3SO2 (g) → 2Cr3+ (aq) + H2O (l) + 3SO42- (aq)
Colour changes: K+ in K2Cr207 is a colourless ion, and dichromate (Cr2O72-) is an orange solution. SO2 is a colourless gas, so the intial solution is orange.
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Colour changes: K+ in K2Cr207 is a colourless ion, and dichromate (Cr2O72-) is an orange solution. SO2 is a colourless gas, so the intial solution is orange.
plz mark it as brainlliest and help me
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