Question

Which of the following is an oxo acid of Sulphur?

SO2

H2SO4    

H2S

SO3

​

Answer 1

Answer:

H2SO4

SULPHURIC ACID......

Answer 2

The two common oxides of sulfur are sulfur dioxide, SO2, and sulfur trioxide, SO3.... ... Formed by the reaction of sulfur dioxide and oxygen in the presence of catalysts, sulfur trioxide fumes vigorously in contact with moist air and dissolves in water, liberating much heat and forming sulfuric acid.

So2 and So3 is right