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

How can dioxygen (O 2 ) be obtained in the laboratory from oxygen-containing salts?

Options

  1. ABy heating potassium chlorate (KClO 3 )
  2. BBy heating silver oxide (Ag 2 O)
  3. CBy electrolysis of water
  4. DBy thermal decomposition of hydrogen peroxide

Correct answer

A. By heating potassium chlorate (KClO 3 )

Step-by-step solution

The paragraph states that oxygen can be obtained in the laboratory by heating oxygen-containing salts such as chlorates, nitrates, and permanganates.

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