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MHT CET202411 May 2024Morning ShiftChemistryChemical KineticsActual

Which of the following is an elementary reaction?

Options

  1. AC ₂ H ₅ I _ ( g ) C ₂ H _ 4( ~g ) + HI _ ( g )
  2. BNO ₂ Cl _ ( g ) 2 NO _ 2( ~g ) + Cl _ 2( ~g )
  3. C2 NO _ 2( ~g ) + F _ 2( ~g ) 2 NO ₂ ~F _ ( g )
  4. DNO _ ( g ) + Cl _ 2( ~g ) 2 NaCl _ ( g )

Correct answer

A. C ₂ H ₅ I _ ( g ) C ₂ H _ 4( ~g ) + HI _ ( g )

Step-by-step solution

Among the given options, only C ₂ H ₅ I C ₂ H ₄+ HI occurs in single step involving a single reactant. Hence, it is an elementary reaction.

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