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MHT CET202015 Oct 2020Morning ShiftChemistrys Block ElementsActual

Which among the following is used as a source of oxygen in submarine in emergency breathing apparatus?

Options

  1. Apotassium superoxide
  2. Bsodium peroxide
  3. Crubidium superoxide
  4. Dlithium monoxide

Correct answer

A. potassium superoxide

Step-by-step solution

Potassium superoxide ( KO ₂ ) is used as a source of oxygen in submarines in emergency breathing apparatus because it has ability to absorb carbon dioxide and give out oxygen at the same time. 4 KO ₂+2 CO ₂ 2 ~K ₂ CO ₃+3 O ₂

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