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प्रश्न
Which noble gas is used in filling balloons for meteorological observations?
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उत्तर
Helium, being light, non-inflammable and unreactive, is used for filling of balloons for metrological observations.
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संबंधित प्रश्न
Draw the structure of the following molecule:
XeF4
Write the structures of the following molecule:
XeOF4
Which one of the following does not exist?
Complete the following reactions : XeF6 + 3H2O →
Draw the structures of the following
XeF6
Draw structures of the following:
XeF4
The number of lone pairs of electrons present in ClF5:
Match the compounds given in Column I with the hybridisation and shape given in Column II and mark the correct option.
| Column I | Column II |
| (A) XeF6 | (1) sp3d3 – distorted octahedral |
| (B) XeO3 | (2) sp3d2 – square planar |
| (C) XeOF4 | (3) sp3 – pyramidal |
| (D) XeF4 | (4) sp3d2 – square pyramidal |
Which one of the following reactions of xenon compounds is not feasible?
\[\ce{XeF4 + H2O - \underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}}\]
