Oxidation State Calculator

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When a chemical compound undergoes a chemical reaction, transfer of electrons takes place during the

formation of products. This transfer of electrons leads to oxidation state of an element depending on whether

it is losing or gaining electrons. Oxidation state calculator is the online tool which can give the oxidation state

of an element in a compound.

Example 1: Calculate the oxidation state of every element in the compound CO₂.

Given:Carbon dioxide-> CO₂

In the periodic table, Oxygen ‘O’ usually has the oxidation state = ‘-2’ (excluding some exceptions) because of

its valence electronic configuration.

Hence oxidation state of ‘O’ is -2.

Let Carbon, C oxidation state= x

Now since the overall charge or oxidation state on the compound = 0

Hence we get x + (2*-2) = 0-> x -4= 0 -> x = +4

Hence oxidationstate of Carbon, C is +4.

Example 2: Calculate the oxidation state of every element in the compound H₂SO₄

Given: Sulfuric acid-> H₂SO₄

In the periodic table, Oxygen ‘O’ usually has the oxidation state= ‘-2’ (excluding some exceptions) because of

its valence electronic configuration.

Hence oxidation stateof ‘O’ is -2.

Similarly oxidation stateof Hydrogen, H is +1 usually.

Let Carbon, C oxidation state= x

Now since the overall charge or oxidationstate on the compound = 0

Hence we get (2*1)+x+ (4*-2) = 0-> 2+x- 8= 0 -> x = +6

Hence oxidation stateofSulfur, S is +6.

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Oxidation State Calculator

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