Question

what is the charge and valency of sulphur in SO4​

Answer 1

It gets extended from basic 6 to 8. As it is allowed by Lewis Dot structure.

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Answer 2

Answer:

• Sulphur has 6 electrons in its Valence shell& oxygen has a oxidation no. -2 so when 4 oxygens combine with 1 Sulphur , the octet of the Sulphur is extended by by 2 more electrons(Sulphur has 6 electrons & 4Oxygens gives it 8 electrons i.e., 2 more electrons) which gives SO4 a oxidation no. Of -2 & valency 2