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

Which of the following is NOT a key step in the Contact Process for sulfuric acid manufacture?

Options

  1. ABurning of sulfur or sulfur dioxide
  2. BConversion of SO 2 to SO 3 using a catalyst
  3. CConversion of SO 3 to H 2 SO 4
  4. DAbsorption of SO 3 in H 2 SO 4 to form oleum

Correct answer

C. Conversion of SO 3 to H 2 SO 4

Step-by-step solution

The conversion of SO 3 to H 2 SO 4 is not a key step in the Contact Process for sulfuric acid manufacture.

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