Which of the following statements is $NOT$ true for noble gases?
- A$Ar$ is used in electric bulbs.
- B$Ne$ is obtained during radioactive disintegration.
- CThe half-life of $Rn$ is $3.8$ days.
- D$He$ is used to produce very low temperatures.
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Similar Questions
In $XeO_3$ and $XeF_6$ the oxidation state of $Xe$ is
Easy
View SolutionWhat is the oxidation state of $Xe$ in $XeOF_2$?
Easy
View SolutionAssertion $(A)$: Helium has the lowest boiling point $(4.2 \ K)$.
Reason $(R)$: The forces that exist between helium atoms are weak dispersion forces.
Reason $(R)$: The forces that exist between helium atoms are weak dispersion forces.
Match the Xenon compounds in Column-$I$ with their structures in Column-$II$ and assign the correct code.
Column-$I$ Column-$II$ $(a) XeF_{4}$ $(i) \text{Pyramidal}$ $(b) XeF_{6}$ $(ii) \text{Square planar}$ $(c) XeOF_{4}$ $(iii) \text{Distorted octahedral}$ $(d) XeO_{3}$ $(iv) \text{Square pyramidal}$
Code: $(a) \quad (b) \quad (c) \quad (d)$
| Column-$I$ | Column-$II$ |
|---|---|
| $(a) XeF_{4}$ | $(i) \text{Pyramidal}$ |
| $(b) XeF_{6}$ | $(ii) \text{Square planar}$ |
| $(c) XeOF_{4}$ | $(iii) \text{Distorted octahedral}$ |
| $(d) XeO_{3}$ | $(iv) \text{Square pyramidal}$ |
Code: $(a) \quad (b) \quad (c) \quad (d)$
DifficultNEET 2019
View SolutionWhich of the following gas is/are called rare gas?
Medium
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