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In oxygen containing anions that also include a less electronegative element, oxygen is taken to have an oxidation number of -2. A sulfate ion has a charge of -2. The four oxygen atoms of a sulfate ion have a total charge of 4 X -2 or -8; therefore, the oxygen atom must have an oxidation number of +6 to yield the correct value for the charge of the sulfate ions.

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Q: What is the oxidation number of sulphur in sulfate?
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Related questions

What is the oxidation number of sulphur in the equation of combustion of H2S?

The oxidation number of sulphur in H2S is 2.


Why the oxidation number of sulphur is plus 6?

Sulphur has 6 valence electrons. So its maximum oxidation number is +6.


What is oxidation number of S in NA2S2O3?

Oxidation no of sulphur is +2.


What is oxidation number of sulphur in sulphuric acid?

6+


What is the oxidation number of O in SO4?

Oxygen atoms are generally considered to have an oxidation number of -2 in all oxyanions such as sulfate.


What is Sulphur's oxidation number?

The oxidation number in atomic sulfur is 0. The oxidation number of sulfide ion is -2. With oxygen and other non metals, it makes numerous ions where its oxidation number varies from -2 to +6.


What is the valency of sulphur in SO3?

Things are complicated if we use the term valency. It is better to use the term Oxidation state or Oxidation Number. In SO2, the oxidation state of sulphur is +4 and In SO3, the oxidation state of sulphur is +6.


What is the oxidation number of sulfur in aluminium sulfate?

+6 for sulfur in sulfates


What is the oxidation number of SO4 2?

There is no oxidation number for compounds, only the elements within compounds. The charge of SO4 (sulfate) is 2-. The oxidation number of each oxygen is 2-. The oxidation number of the sulfur in this compound is 6+.


What is the oxidation number of sulphur?

Atomic sulfur has oxidation number 0. The oxidation number of the sulfide ion is -2. During formation of a wide variety of compounds, the oxidation status of sulfur may differ from -2 to +6.


What are the oxidation number answers for CS2?

+4 for carbon, -2 for each Sulphur


What is the valency of sulphur in MgSO4?

6. The oxidation number of sulfur is +6. Another approach if you are not familiar with oxidation number is to draw Lewis dot diagrams for sulfate ion, these will have 2 double bonds and two single bonds (single bonds attaching negative charged oxygen atoms) and will show will show 6 bonds from sulfur.