Chemistry, asked by tomarlalit88251, 1 year ago

Impact of alkalinity on aqueous solution of k2cr2o7

Answers

Answered by Avanish010

Hey Friend,

K2Cr2O7 contains dichromate anion...This Cr2O7 - is responisible for the change in colour of K2Cr2O7 altogether.

When the solution is acidic (pH < 7) - orange colour
When the solution is alkaline (pH > 7) - yellow colour

Hope it helps!

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