what is the confirmatory test for so3 gas
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Add barium chloride to the salt.
Observation: A white ppt of barium sulphite formed which dissolves in excess HCL to give a clear solution.
BaCL2 + SO3 ^ 2- = BASO3
Observation: A white ppt of barium sulphite formed which dissolves in excess HCL to give a clear solution.
BaCL2 + SO3 ^ 2- = BASO3
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Answer:
Hey we can taste the presence of SO2 and SO3 gas by passing it from water because on passing through water it reacts and makes water acidic as like acid rain.Now we can check whether it is a Sulphuric or Sulphurous acid.
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