Multiple choice

The correct order of ease of liquefaction of noble gases is

  1. Xe > Ne > Ar > Kr > He

  2. He > Ne > Ar > Kr > Xe

  3. He < Ar < Kr < Ne < Xe

  4. He < Ne < Ar < Kr < Xe

  5. Ne < Ar < He < Kr < Xe
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Ease of liquefaction of noble gases increases down the group. So, correct order is He < Ne < Ar < Kr < Xe.

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