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Why helium and neon do not form compound...

Why helium and neon do not form compounds with florine?

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The electronic configuration of helium (Z=2) is `1 s^(2)`. Since no vacant or half filled orbital can be created, helium cannot be made to take part in chemical combination. As a result, no distinct chemical compounds of helium are known.
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DINESH PUBLICATION-THE P-BLOCK ELEMENTS -Questions From Board Examinations
  1. Red phosphorus is less reactive than yellow phosphorus because

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  2. On the basis of VSEPR theory, prefict the shapes of the following mole...

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  3. Why helium and neon do not form compounds with florine?

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  4. Ka(1), Ka(2) and Ka(3) are the respective constants for the following ...

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  5. Give the decreasing order of dipole moments of HF,HCI,HBr, and HI.

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  6. (a) Why does NO2 dimerise ? (b) In what way can it be proved that PH...

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  7. Red phosphorus is ...............reactive than white phosphorus as red...

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  8. NF(3) is not hydrolysed while NCl(3) can be readily hydrolysed. Explai...

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  9. Among CIF(3), BF(3) and NH(3) molencules the one with non-planar geome...

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  10. Complete the following equations : (i) underset(("hot and conc."))(N...

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  11. The stability of +5 oxidation state decreases down the group 15 of the...

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  12. The negative value of electron gain enthalpy is less for fluorine than...

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  13. Which of the following correct about [Icl(4)]^(-) and iCl(4) compound

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  14. Why does H(3)PO(3) act as a reducing agent but H(3)PO(4) does not ?

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  15. (a) Write the balanced chemical equation for the reaction of Cl(2) wit...

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  16. find the total numbers of compounds which contain S-S linkage. H(2)S...

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  17. Arrange the following in order of decreasing N - O bond length NO(2)^(...

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  18. Give reasons for the following observations : Why SF(4) undergoes hy...

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  19. Although flurorine is more electronegative than oxygen, but the abilit...

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  20. Which element of chalcogens has maximum tendency to show catenation ?

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