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MHT CET202020 Oct 2020Evening ShiftChemistryGeneral Organic ChemistryActual

Which inert gas is used in chromatography?

Options

  1. AAr
  2. BNe
  3. CKr
  4. DHe

Correct answer

A. Ar

Step-by-step solution

Carrier gas is an inert gas used to carry samples. Helium (He) , nitrogen (N₂) , hydrogen (H₂) , and argon (Ar) are often used. Helium and nitrogen are most commonly used and the use of helium is desirable when using a capillary column.

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