MEDIUMMCQ SINGLENEET ChemistryInorganic Chemistryp -Block Elements (group 15-18)Previous Year Questions

Which of the following rare gas is the abundant in air? (JIPMER 2019)

A.He

B.Ne

C.Ar✓ Correct

D.Kr

Explanation

The % by volume of rare gases are : % by volume % by weight He 0.0005 0.000037 Ne 0.0015 0.001 Ar 0.932 1.285 Kr 0.0001 0.00028 Xe 0.0001 0.00004 So, Ar is most abundant in air.

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