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प्रश्न
Explain the trend in the following atomic properties of group 16 elements:
Electron gain enthalpy
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उत्तर
Electron gain enthalpy becomes less negative down the group.
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संबंधित प्रश्न
Draw the structure of the following molecule:
XeF4
Account for the following:
Helium is used in diving apparatus.
Draw the structures of the following molecules: XeF2
Which noble gas is used in filling balloons for meteorological observations?
Complete the equation : XeF2+PF5 →
Write the structures of the following molecule:
XeOF4
Complete the following equations : XeF4 + O2F2→
Complete the following equation:
\[\ce{XeF2 + H2O ->}\]
Draw the structure of the following:
XeO3
test q 1234
Balance the following equation:
\[\ce{XeF6 + H2O -> XeO2F2 + HF}\]
Why has it been difficult to study the chemistry of radon?
Which one of the following does not exist?
Give the formula and describe the structure of a noble gas species which is isostructural with:
\[\ce{ICI^-_4}\]
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 given chemical equations:
`2XeF_2 + 2H_2O->`
Complete the following reactions : XeF6 + 3H2O →
Complete the following reactions:
XeF6+2H2O ----->
Draw the structures of the following
XeF6
Write the electronic configuration of the following element:
Krypton (Z = 36)
Draw structures of the following:
XeF4
Draw the structure of XeF4.
The number of lone pairs of electrons present in ClF5:
Which of the following fluorides does not exist?
Partial hydrolysis of XeF4 gives ____________.
Helium is preferred to be used in balloons instead of hydrogen because it is ____________.
In which of the following pairs, the two species are isostructural:
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 |
Substance having the lowest boiling point ______.
On partial hydrolysis, XeF6 gives ______.
The order of increasing sizes of atomic radii among the elements O, S, Se and As is:
Noble gases are named because of their inertness towards reactivity. Identify an incorrect statement about them.
\[\ce{XeF4 + H2O - \underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}}\]
Discuss the trends in electronegativity and atomic radii for elements of group 16 17, 18.
Write two uses of neon.
The element expected to form the largest ion to achieve the nearest noble gas configuration is:
