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Electronic configuration of noble gases ...

Electronic configuration of noble gases is …………………….

A

`ns^(2)`

B

`ns^(2)np^(5)`

C

`ns^(1)np^(6)`

D

`ns^(2)np^(6)`

Text Solution

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The correct Answer is:
D
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FULL MARKS-p-BLOCK ELEMENTS -I-Additional Questions ( CHOOSE THE CORRECT ANSWER ):
  1. More common oxidation state for halogens is …………………..

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  2. Electronic configuration of noble gases is …………………….

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  3. Noble gases are chemically inert. This is due to ………………..

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  4. Consider the following statements, (i) The first member of the group...

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  5. Which element has a greater tendency to form a chain of bonds with its...

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  6. Which one of the following is the strongest oxidising agent?

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  7. Some elements exist in more than one crystalline or molecular forms in...

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  8. How many allotropes possible for boron?

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  9. Important ore of boron is ………..

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  10. Less reactive elements in boron family is ………………… .

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  11. More toxic element in boron family is …………. .

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  12. Boron does not react directly with ……………… .

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  13. Borontrifluoride reacts with sodium hydride at 450 K gives…………..

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  14. 2B+N(2)overset(Delta)to A Identify A

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  15. Boron reacts with fused sodium hydroxide to forms………………

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  16. Which isotope is used as moderator in nuclear reactors?

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  17. Borax is ………………. In nature.

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  18. Which compound is used as flux in metallurgy ?

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  19. The trialkylborate on reaction with sodiumhydride in tetrahydrofuran t...

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  20. Compounds used as an eye lotion ……..?

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