Multiple choice

Which of the following statements are true?

  1. All the noble gases, except radon, occur in the atmosphere.
  2. XePtF6 was the first noble gas compound.
  3. XeF2 has bent geometry.
  4. Noble gases have large positive values of electron gain enthalpy.

Select the correct statements using codes given below:

  1. 1 and 3

  2. 1, 2 and 4

  3. 1, 2, 3 and 4

  4. 2 and 3

  5. 2, 3 and 4
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

All the noble gases, except radon, occur in the atmosphere. XePtF6 was the first noble gas compound prepared by N. Bartlett. Noble gases have large positive values of electron gain enthalpy due to their stable electronic configuration. They have no tendency to accept the electron.

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