-2 for each O
+6 for each Cr
6+
The oxidation state for oxygen in this compound is 2-, as it is for most oxygen compounds.
+6 for each Cr -2 for each O
oxidation number of S is +6.It oxidize into SO4 ^-2
It is a compound, it has no valency. The Cr in it has a valency of +7
6+
The oxidation state for oxygen in this compound is 2-, as it is for most oxygen compounds.
+6 for each Cr -2 for each O
oxidation number of S is +6.It oxidize into SO4 ^-2
It is a compound, it has no valency. The Cr in it has a valency of +7
The oxidation number of chromium in Cr2O7 is +7. The oxidation number of oxygen is -2, so 7 O atoms times -2 = -14. In order to balance the -14 on the oxygen atom, each chromium atom must have an oxidation number of +7, because 2 Cr atoms times +7 equals +14.
H2Cr207 is also known as chromic acid.
Zn has oxidation number +2; S has oxidation number -2
The Oxidation number for Kr which is krypton is 2. The Oxidation number for Kr which is krypton is 2. The Oxidation number for Kr which is krypton is 2.
In FeO the oxidation number of iron is 2+ and the oxidation number of oxygen is 2-.
Oxidation number of Ti is +2. Oxidation number of O is -2.
The oxidation number of oxygen is -2 in most of its compounds