" Cyclic trimer structure of "SO_(3)" contains "

Cyclic trimer strucutre of SO_(3) contains ________no. of "S = O" bonds

Lewis -structure SO_(3)

The structure of SO_(3)^(2-) is

Draw the structure of H_(2)SO_(3) ?

Explain the structure of SO_(3) molecule.

Draw the structure of : SO_(3)^(2-)

In cyclic structure of (SO_(3))_(x) if x is number of SO_(3) moleculles involved in cycle formation and y is the number of sp^(3) hybridised S - atoms What is the sum of x+y ?