Find the oxidation no. of Cr in K2Cr2O7 ?
1 Answer
Apr 15, 2018
Explanation:
Potassium dichromate, contains the dichromate ion, in which chromium is in its hexavalent form, i.e. chromium(VI).
We can prove it as follows.
In
So, the total charge of potassium ions is
Let
So, we got:
So, two chromium atoms have an oxidation number of