Question

(iii) During oxidation of ferrous sulphate using mixture of dil.
H.SO, and potassium dichromate; oxidation state of
chromium changes from
(a) +6 to + 2
(b + 6 to + 3
(c) + 6 to +1
(d) + 6 to + 4​

Answer 1

Answer:

So in K2Cr2O7 , the oxidation number of Cr is +6.