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AP EAMCET201822 Apr 2018Morning ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Which statement about noble gases is not correct?

Options

  1. A'Xe' forms XeF ₆ under suitable conditions
  2. B'Ar' is used in electric bulbs
  3. CThe number of lone pair of electrons present on Xe in XeF ₂ is 3.
  4. D'He' has the highest boiling point among all the noble gases

Correct answer

D. 'He' has the highest boiling point among all the noble gases

Step-by-step solution

(d) (a) Xe +3 ~F ₂ XeF ₆ (b) Ar used in electric bulbs. (c) 3 lone pairs are present in XeF ₂ . (s p^3 d ) Linear (a), (b), (c) statements are correct but statements (d) is incorrect. (d) He has lowest boiling point among all the noble gases.

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