What is the oxidation state of each element in Mn (Cro4) 2?

CrO4 is the "chromate" ion and has a - 2

since there are 2 and the overall charge of Mn (CrO4) 2 is zero ... Mn is + 4

O is - 2 as it usually is ...

so Cr is + 6

The The oxidation state of each element in Mn (Cro4) 2 is

Oxidation state of Mn is + 4

Oxidation state of is - 2

Oxidation state of Cr is + 6

Explanation:

The oxidation number denotes the number of electrons the atom loses in a chemical compound.

Also, oxidation number is equal to the charge of the ion. In the above compound oxidation state of Cro4 is - 2 and there are two ions together. Thus, there oxidation state would be - 4.

Mn have the oxidation state of + 4. And oxidation charge of oxygen is always - 2. In equation Cro4 there are 4 oxygen each having oxidation charge of - 2. Making it - 8 in total. Cro4 has its oxidation charge of - 2. Thus adding up the charges it turns out to be + 6 for chromium.