The oxidation number of chromium in sodium tetrafluorooxochromate complex is
2
4
6
3
As we have learned
Oxidation number -
It is represented by roman numeral in parenthesis following the name of coordination entity.
- wherein
Eg.
x-4 = -2
x= 2
x+4(-1)+(-2)=-2
x-6 = -2 x=+4
Option 1)
2
Option 2)
4
Option 3)
6
Option 4)
3
Study 40% syllabus and score up to 100% marks in JEE