Q17 / 160 · AP EAMCET 2015 · Chemistry

Assertion (A) : Noble gases have very low boiling points.Reason (R) : All noble gases have general electronic configuration of $ns^2\ np^6$ (except He).

  • A
    Both (A) and (R) are true and (R) is the correct explanation of (A)
  • B
    (A) is false but (R) is true
  • C
    (A) is true but (R) is false
  • Correct answer
    D
    Both (A) and (R) are true and (R) is the not the correct explanation of (A)

Solution

Boiling points of noble gases are low due to only acting weak van der Waal’s forces of attraction between the atoms.

Hence, the correct answer is option: 'D'.

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