Question

Among which of the following, atom has +6 oxidation state,

(i) MnO-4

(ii)
${Cr(CN)6}^{3 - }$
(iii) (NiF6) 2-

(iv) CrO2 Cl2

Answer 1

Answer:

Among the above reactions Cr in CrO2Cl2 has +6O.N.

Explanation:

Let Cr=x

O.N.of O= -2

O.N. Of Cl= -1

So, Cr+2(O)+2(Cl)

=x+2(-2)+2(-1)

x=6