Coconut charcoal at -180°C is used to separate a mixture of:

JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Coconut charcoal at is used to separate a mixture of:

(A)Ar and Kr
(B)Ne and Ar
(C)He and Kr
(D)He and NeCorrect

Answer: (D)

Solution

Separating the two lightest, most weakly adsorbed noble gases, helium and neon, from each other by selective adsorption on coconut charcoal requires an extremely

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Question ID VK-146988