Which of the following is true about oxidation state of S in Na2S4O6?

The oxidation number of H and O are +1 and +2 respectively in this compound. The average oxidation number of S is +2.5.

What is the oxidation number of Sulphur?

+6
The oxidation number of sulfur is +6 because (+6) + (4)(-2) = -2. The sum of the oxidation numbers in a compound is zero. In water, the oxidation number of the oxygen is -2. The oxidation number of each hydrogen is +1.

What is the oxidation number of sulfur in h2s2o3?

Sulfur oxoacid

Acid	Formula	Formal oxidation number
Thiosulfuric acid	H2S2O3	0 (for the terminal sulfur), +4 (for the central atom)
Disulfurous acid or pyrosulfurous acid	H2S2O5	+5 (of the sulfur atom bonded to 3 oxygen atoms), +3 (of other sulfur atom)
Sulfurous acid	H2SO3	+4
Dithionous acid	H2S2O4	+3

What is the oxidation number of S in na2s4o6 and na2so3?

Explanation: It is known that oxidation state of sodium is +1, so oxidation state for two sodium atoms will be +2.

What is the oxidation state of S in na2s2o3 and na2s4o6?

+2 and +4.

What is the oxidation number of sulphur in cuso4?

Oxygen has -2 oxidation state due to the absence of 2 electrons to complete its octet, while sulphur possesses a +6 oxidation number due to its less electronegativity.

What is name of H2S2O3?

Thiosulfuric acid (H2S2O3)

What is Na2S4O6 called?

The chemical name of Na2S4O6 is sodium tetrathionate .

What is the oxidation number of sulfur in na2s2o4?

+5
The sulfur can be considered to be in its +5 oxidation state. It should not be confused with sodium dithionite, Na2S2O4, which is a very different compound, and is a powerful reducing agent with many uses in chemistry and biochemistry.

What is the oxidation number of c3o2?

The structure of C3O2 (carbon -2 +2 0 +2 -2 suboxide) is O = C = C = C = 0 each of the two terminal oxygen atoms have an oxidation state of -2 and the carbons to which they are attached have an oxidation state of +2.