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AP EAMCET202319 May 2023Morning ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

The sum of oxygen atoms in the formulae of peroxysulphuric acid and pyrosulphuric acid is

Options

  1. A7
  2. B12
  3. C15
  4. D13

Correct answer

C. 15

Step-by-step solution

Peroxysulphuric acid (Peroxydisulphuric acid) = H ₂ ~S ₂ O ₈ . Pyrosulphuric acid = H ₂ ~S ₂ O ₇ Sum of O -atoms =8+7=15

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