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MHT CET202121 Sep 2021Evening ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Which among the following noble gases reacts with fluorine to given crystalline fluorides?

Options

  1. ANe
  2. BHe
  3. CXe
  4. DAr

Correct answer

C. Xe

Step-by-step solution

Ionisation enthalpy decreases on moving down the group and Xe has the lowest ionization enthalpy. This is the reason that stable fluorides for noble gases are reported only with Xe.

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