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Modern Periodic Table

The charcoal ...

Question

The charcoal maintained at $- 100^{\circ}$ C adsorbs

A

Ne and Kr

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B

He and Ar

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C

Ar,Kr,Xe

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D

He and Ne

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Solution

The correct option is C
Ar,Kr,Xe

Except He, all other noble gases are adsorbed by coconut charcoal at low temperatures. The extent of adsorption increases as the atomic size of the noble gas increases.

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