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NEETChemistryp Block Elements (Group 15, 16, 17 & 18)

How is sulphur dioxide prepared in the laboratory?

Options

  1. ABy heating sulphur in the presence of oxygen
  2. BBy treating a sulphite with dilute sulphuric acid
  3. CBy roasting sulphide ores
  4. DBy combustion of hydrogen sulfide

Correct answer

B. By treating a sulphite with dilute sulphuric acid

Step-by-step solution

The passage explains that in the laboratory, sulphur dioxide is readily generated by treating a sulphite with dilute sulphuric acid.

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