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प्रश्न
Which one of the following does not exist?
पर्याय
XeOF4
NeF2
XeF2
XeF6
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उत्तर
NeF2
Explanation:
NeF2 does not exist. This is because the sum of first and second ionisation enthalpies of Ne are much higher than those of Xe. Consequently, F2 can oxidise Xe to Xe2+ but cannot oxidise Ne to Ne2+.
संबंधित प्रश्न
Draw the structure of the following molecule:
XeF4
Draw the structures of the following molecules: XeF2
Write the structures of the following molecule:
XeOF4
Complete the following equation:
\[\ce{XeF2 + H2O ->}\]
Draw the structure of the following:
XeO3
Balance the following equation:
\[\ce{XeF6 + H2O -> XeO2F2 + HF}\]
How are xenon fluorides XeF2, XeF4 and XeF6 obtained?
Give the formula and describe the structure of a noble gas species which is isostructural with:
\[\ce{BrO^-_3}\]
Answer the following.
List the uses of Neon and argon gases.
Write electronic configuration and two uses of neon. (Z = 10)
Complete the following reactions:
XeF6+2H2O ----->
Write the electronic configuration of the following element:
Krypton (Z = 36)
Fill in the blanks by choosing the appropriate word/words from the brackets
(square pyramidal, electrical, 74; 26, sp3d2, sp3d, chemical, 68, 32, tetrahedral, yellow, white, iodoform, Lucas)
The geometry of XeOF4 molecule is ______ and the hybridisation of Xenon atom in the molecule is ________.
Draw structures of the following:
XeF4
Draw the structure of XeF4.
Explain the trend in the following atomic properties of group 16 elements:
Electron gain enthalpy
Which of the following reactions is an example of redox reaction?
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 |
