The oxidation state of chromium in the final product formed by the reaction between Kl and acidified potassium dichromate solution is:

Options

A. `+3`
B. `+2`
C. `+6`
D. `+4`

Answer

A

Explanation

`Cr_(2)O_(7)^(2-)+6I^(-)+14H^(+) to 2Cr^(3+)+3I_(2)+7H_(2)O`
+3 oxidation state of Cr.