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COMEDK2020Chemistryp Block Elements (Group 15, 16, 17 & 18)

The noble gas mixture is cooled in a coconut bulb at 173 ~K . The gases that are not adsorbed are

Options

  1. AHe and Ne
  2. BAr and Kr
  3. CHe and Xe
  4. DNe and Xe

Correct answer

A. He and Ne

Step-by-step solution

When the mixture of noble gas is cooled in coconut bulb at 173 ~K , the gases that are not absorbed are He and Ne. As they have low critical temperature.

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