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NEET2019Chemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Identify the correct formula of oleum from the following

Options

  1. AH ₂ ~S ₂ O ₇
  2. BH ₂ SO ₃
  3. CH ₂ SO ₄
  4. DH ₂ ~S ₂ O ₈

Correct answer

A. H ₂ ~S ₂ O ₇

Step-by-step solution

The correct formula of oleum is H ₂ ~S ₂ O ₇ which is also known as pyrosulphuric acid.

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