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प्रश्न
Why has it been difficult to study the chemistry of radon?
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उत्तर
It is difficult to study the chemistry of radon because it is a radioactive substance having a half-life of only 3.82 days. Also, compounds of radon such as RnF2 have not been isolated. They have only been identified.
संबंधित प्रश्न
Draw the structures of the following molecules: XeF2
Which noble gas has the lowest boiling point?
Draw the structure of the following:
XeO3
What inspired N. Bartlett for carrying out reaction between Xe and PtF6?
How are xenon fluorides XeF2, XeF4 and XeF6 obtained?
Which one of the following does not exist?
Give the formula and describe the structure of a noble gas species which is isostructural with:
\[\ce{IBr^-_2}\]
Write electronic configuration and two uses of neon. (Z = 10)
Complete the following reactions : XeF6 + 3H2O →
Draw the structures of the following
XeF6
Draw structures of the following:
XeF4
Explain the trend in the following atomic properties of group 16 elements:
Electron gain enthalpy
Partial hydrolysis of XeF4 gives ____________.
Substance having the lowest boiling point ______.
The atomic radii of Zr and Hf are almost identical. This is because of
The order of increasing sizes of atomic radii among the elements O, S, Se and As is:
Match List - I with List - II:
| List - I | List - II | ||
| (Species) | (Number of lone pairs of electrons on the central atom) |
||
| (A) | XeF2 | (i) | 0 |
| (B) | XeO2F2 | (ii) | 1 |
| (C) | XeO3F2 | (iii) | 2 |
| (D) | XeF4 | (iv) | 3 |
Choose the most appropriate answer from the options given below:
\[\ce{XeF4 + H2O - \underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}}\]
Discuss the trends in electronegativity and atomic radii for elements of group 16 17, 18.
