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Which of the following has zero valency?...

Which of the following has zero valency?

A

Be

B

Se

C

Li

D

Ar

Text Solution

Verified by Experts

The correct Answer is:
d
`Ar(18): 1s^(2)s^(2)2p^(6)3s^(2)3p^(6)`. Since valence shell is completely filled and Ar has very high ionsation energy, its electrons cannot be unpaired , it shown zero valency.
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CENGAGE CHEMISTRY-P-BLOCK GROUP 18 ELEMENTS - THE INERT GASES-Exercises (Single Correct)
  1. Radon is a noble gas , its radioactivity is used in the treatment of

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  2. The idea which prompted bartlett to prepare first ever compound of no...

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  3. Which of the following has zero valency?

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  4. Helium is used in gas balloons instead of hydrogen because

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  5. A helium atom on losing an electron becomes

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  6. What are the products formed in the reaction of xenon hexafluoride wit...

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  7. Liquid flow from a higher to a level .Which of the following liquids c...

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  8. Remsay was awarded Noble Prize for the discovery of rare gases in

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  9. Neon in extensively used in

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  10. The discovery of isotopes began with the experiments with

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  11. Which statement about noble gases is not correct ?

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  12. In solid argon , the atoms are held together by

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  13. The van der waals forces are the greater in

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  14. Electronegativety of an inert gas is

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  15. Which has the same electronic configuration as of inert gas ?

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  16. Which of the following noble gas is not present in atmosphere ?

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  17. Which noble gas is more soluble in water ?

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  18. XeF(6) on complete hydrolysis gives

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  19. Xenon tetrafluoride has hybridisation and structure as

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  20. Which noble gas has higher and least polarisability respectively ?

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