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Which of the following is least polarisa...

Which of the following is least polarisable?

A

Ne

B

He

C

Xe

D

Kr

Text Solution

Verified by Experts

The correct Answer is:
B
Polarizibility of noble gases increases down the group because of increase of distance of electrons. From nucleus. Thus He (first member of group) is least polarized.
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DISHA PUBLICATION-THE P-BLOCK ELEMENTS (GROUP 15, 16, 17 & 18)-Exercise
  1. Total number of lone pair of electrons is XeOF4 is

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  2. The density of neon will be highest at

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  3. Which of the following is least polarisable?

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  4. For advertisement, the coloured discharge tubes contain:

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  5. Monazite is source of

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  6. Noble gases are group of elements which exhibit very :

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  7. Which inert gas has abnormal behaviour on liquefaction ?

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  8. Which of the following compound does not produce oxyacid of central at...

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  9. Which of the following oxyacid contains both P-H and P-P bond siultane...

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  10. Among the following compounds, which on heating do not produce N(2) ?

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  11. Which of the following species has the highest dipole moment?

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  12. Following tests are shown by (i) Decolourisation of acidified soln. ...

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  13. Which is the correct sequence in the following properties? For the cor...

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  14. Amongst the following compounds (I) H(5)P(3)O(10) (II) H(6)P(4)O(1...

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  15. Nitrogen forms N2, but phosphorus is converted into P4 from P, the rea...

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  16. In case of nitrogen, NCl(3) is possible but not NCl(5) while in case o...

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  17. What may be expected to happen when phosphine gas is mixed with chlori...

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  18. [X] +H(2)SO(4) to [Y] colourless with irritating smell. [Y] +K(2)Cr(2...

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  19. The correct order of O - O bond length in O(2)H(2)O(2) and O(3) is

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  20. Identify the correct sequence of increasing number of pi-bonds in the ...

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