Chemistry, asked by justin20, 1 year ago

what do u observe when k2cr2o7 is acidified ??

Answers

Answered by vinaymenon007

It acts as an oxidizing agent and also helps in the test for finding the presence os sulphur..

Hope it helps..
Thanks

justin20: am askin what u will observe whn sulphuric acid is added to potassium dicromate ?

Answered by RiyaThopate

Sulfur dioxide gas turns acidified potassium dichromate solution from orange to green reduced chromium +4 to +3.
k2cr2O7+2H2SO4+3So4--> 2cr2(so4)3 +k2so4 +h2o

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