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KCET2007Chemistryp 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. ANe and Xe
  2. BHe and Xe
  3. CAr and Kr
  4. DHe and Ne

Correct answer

D. He and Ne

Step-by-step solution

When the mixture of noble gas is cooled in a coconut bulb at 173 ~K then Ar , Kr and Xe are adsorbed on charcoal while He and Ne are not adsorbed.

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