JEE Advanced Chemistry question

Fractional evaporation of liquid argon under reduced pressure gives

(A)Rn
(B)NeCorrect
(C)KrCorrect
(D)XeCorrect

Answer: (B),(C),(D)

Solution

Liquid argon obtained from the fractional distillation of liquid air still retains small amounts of the other, less volatile heavy noble gases (krypton and xenon) and traces of the more volatile neon, which are then separated out during the careful

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Question ID VK-159299