Question

What is oxidation number of cr
in K3 [Cr(ox)3]​

Answer 1

Answer:

oxidation refers to gain of oxygen.

3 cr atoms are in the compound

Answer 2

${ \huge{ \mathbb{ \maltese \: { \fcolorbox{green}{orange}{ \color{navy}{Answer}}}}} \downarrow}$

The oxidation state of Cr in K3[Cr(C2O4)3] is +3.