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Compound of which of the noble gases, ar...

Compound of which of the noble gases, are neither isolated nor identified?

A

He,Ne,Ar,Kr,Rn

B

He,Ne,Kr

C

He,Ne,Ar

D

He only

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-THE P-BLOCK ELEMENTS-Assignment Section-A)
  1. Which is incorrectly given according to order indicated?

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  2. Cl(2) on reaction with excess of NH(3) gives

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  3. Complete the following chemical reaction equations : (i) underset(("...

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  4. Cl(2)+underset((Excess))(F(2)) overset(573K)to(A) Shape of compound ...

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  5. The correct order of acidic strength is

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  6. The one with maximum oxidising power is

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  7. Total number of F-l-F bond angles which are 90^(@) present in lF(7) is

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  8. Assertion : Interhalogen compounds are more reactive than halogens (ex...

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  9. Cl(2) is used in the preparation of poisonous gases, one of them is mu...

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  10. Anamolous behaviour of fluorine in group 17 is due to

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  11. .(88)^(226)Ra to .(Z)^(A)Rn+.(2)^(4)He Radon is prepared by alpha-de...

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  12. Noble gases are mostly inert. Assign reasons.

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  13. underset((1:20))(Xe+F(2)) overset(573K,60-70" bar")to? The compound ...

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  14. Why is helium used in diving apparatus?

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  15. Which is mismatched regarding the shape?

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  16. Compound of which of the noble gases, are neither isolated nor identif...

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  17. Structure of XeO(2)F(2) is correctly represented by

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  18. Why has it been difficult to study the chemistry of radon?

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  19. The ease of liquefaction of noble gases decreases in the order

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  20. Noble gases are sparingly soluble in water due to

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