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Radioactive element of group 17 is...

Radioactive element of group 17 is

A

Polonium.

B

Francium

C

Astatine

D

Radium

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE-THE P-BLOCK ELEMENTS-Assignment Section-A)
  1. In the reaction Cu+ underset((Conc.))(H(2)SO(4))to CuSO(4) +SO(2) +H...

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  2. H(2)SO(4) is manufactured by

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  3. Radioactive element of group 17 is

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  4. Deacon's process of manufacture of chlorine is represented by the equa...

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  5. The colour shown by halogen is incorrectly given by

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  6. Which is incorrectly given according to order incicated?

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

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

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

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  10. The correct order of acidic strength is

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  11. The one with maximum oxidising power is

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

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  13. In general interhalogen compounds are more reactive than halogens, exc...

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  14. Cl(2) is used preparation of poisonous gases, one of them is mustard g...

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

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  16. .(86)^(226)Ra to .(Z)^(A)Rn+.(2)^(4)He Radon is prepared by alpha-de...

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  17. Noble gases are mostly inert. Assign reasons.

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

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  19. Noble gases used in diving apparatus and discharge tube is respectivel...

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  20. Which is mismatched regarding the shape?

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