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A radioactive element X-decays to give t...

A radioactive element `X`-decays to give two inert gases. `X` is

A

`._(92)U^(238)`

B

`(88)Ra^(226)`

C

`._(90)Th^(234)`

D

`._(89)Ac`

Text Solution

Verified by Experts

The correct Answer is:
B
`._(88)^(226)Rararr ._(86)Rn^(222)+ ._(2)He^(4)`
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A2Z-P BLOCK ELEMENTS ( GROUP 15,16,17,18)-General Properties And Fluorides Of Xenon (Group 18)
  1. The oxidation state of Pt in Xe^(+)[Ptf(6)]^(-) is

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  2. The idea which prometed Bartlett to prepare first ever compound of nob...

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  3. A radioactive element X-decays to give two inert gases. X is

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  4. If two litres of aitr is passed repectedly over heated copper and heat...

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  5. The van der waals forces are the greatest in

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  6. In XeF(2).2SbF(5)

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  7. The poisson's ratio for inert gases is:

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  8. The none-existent species is

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  9. Noble gases can be separated by:

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  10. The noble gas which behaves abnormally in liquid state is

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  11. The ease of liquefation of noble gases decrease in the order:

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  12. The formation of O(2)^(+)[PtF(6)]^(-) is the basis for the formation o...

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  13. Out of (i)XeO(3)(ii)XeO(2)F(2) and (iii)XeO(4), the molecules having s...

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  14. [HXeO(4)]^(-)+Ohrarr[X]+[Y]+O(2)+H(2)O The products [X] and [Y] in u...

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  15. The oxidation number of xenon in XeOF(2) is

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  16. When a solution of XeO(3) is treated with metal fluoride, the product ...

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  17. Among the following molecules, (i)XeO(3)(ii)XeOF(4)(iii)XeF(6) those h...

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  18. Helium is used in gas balloon instead of hydrogen because

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  19. [HXeO(4)]^(-)+OH^(-)rarr[X]+[Y]+O(2)+H(2)O The products [X] and [Y] ...

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  20. In XeO(3),Xe is

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