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Doctors Medicines MCQs Q&A

  1. Kr 
  2. Ne 
  3. Ar 
  4. Xe 
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Option 4 : Xe 

  • Among the noble gases mentioned in the options, Xe(Xenon) has the highest molar mass.

 

Nobel gas

Molar mass

Krypton (Kr)

83.798 u

Neon (Ne)

20.1797 u ± 0.0006 u

Argon(Ar)

39.948 u ± 0.001u

Xenon (Xe)

131.293 u ± 0.006 u
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