Answer Expert Verified

The O is -2 and there are 4 of them for a total of -8. So the S has to be +6 in order to make the entire compound neutral. So then you have +2 for H, +6 for S and -8 for the O. This is the valency for H2SO4.

Why valency of sulphur is 4?

Complete answer:

We know that the atomic number of Sulphur is 16 and the number of electrons in its valence shell is 6. As a result each oxygen forms two bonds with the Sulphur atom making its valency 4. In Sulphur trioxide, Sulphur is bonded to 3 oxygen atoms.

What is the valency of sulphur in H2S?

Valency of sulphur is 2 in H2S.

What is the valency of Sulphur?

The valency of the element represents the number of bonds that an atom can form as part of a compound. The electronic configuration of sulfur is (S) [Ne] 3s1 . So in order to achieve stability, sulfur has to gain 2 electrons. Therefore, the valency of sulphur is 2.

Why is sulphur 6 valency?

If we talk about sulphur, it has vacant d-orbitals to accommodate electrons. That is the reason why in sulphur dioxide it shows +4 valency and in sulphur trioxide it shows +6 valency.

Does sulphur show variable valency?

Oxygen is divalent, but sulphur exhibits variable valency of 2, 4 and 6 since the atomic radius of sulphur is larger than that of oxygen, because of the presence of d-orbitals.

What is the valency of sulphur in CS2?

Answer : The valency of carbon is 4 and that of sulphur is 2. So according to the valencies of both the elements present, the formula becomes CS2.

How do you find the valency of S in SO2?

As we can recognize that in S02, the abundance of oxygen atoms is -2 and the valency of oxygen particle is 2. Accordingly, the valency of S will be +4.

How do you make sulfuric acid from Sulphur?

Sulfuric acid is manufactured from elemental sulfur in a three-stage process:
S + O 2 鈫 SO 2.2 SO 2 + O 2 鈫 2 SO 3.SO 3 + H 2 O 鈫 H 2 SO 4.