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Electronic Configuration

The noble gas...

Question

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

A

Helium and Neon

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B

Helium and Xenon

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C

Xenon and Neon

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D

none of these

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Solution

The correct option is B Helium and Neon
When the mixture of noble gas is cooled in a coconut bulb at $173 K$ then argon, krypton and xenon are adsorbed on charcoal while Helium and Neon are not adsorbed.
Hence option $A$ is correct.

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