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प्रश्न
Write two uses of neon.
उत्तर
- In Neon discharge lamps and signs. These signs are visible from long distances and in mist or fog.
- A mixture of Neon and Helium is used in certain protective electrical devices, such as voltage stabilizers and current rectifiers.
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संबंधित प्रश्न
Draw the structures of the following molecules: XeF4
Account for the following:
Helium is used in diving apparatus.
Draw the structures of the following molecules: XeF2
What happens when: XeF4 reacts with SbF5?
Which noble gas is used in filling balloons for meteorological observations?
Write the structures of the following molecules: XeOF4
Complete the following equations : XeF4 + O2F2→
Complete the following equation:
XeF2 + H2O →
Draw the structures of the following:
XeO3
Why has it been difficult to study the chemistry of radon?
How are XeO3 and XeOF4 prepared?
Which one of the following does not exist?
(i) XeOF4
(ii) NeF2
(iii) XeF2
(iv) XeF6
Give the formula and describe the structure of a noble gas species which is isostructural with:
`IBr_2^(-)`
Give the formula and describe the structure of a noble gas species which is isostructural with:
`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
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.
The number of lone pairs of electrons present in ClF5:
Draw structure and name the shape of bromine trifluoride.
Explain the trend in the following atomic properties of group 16 elements:
Electron gain enthalpy
Which of the following fluorides does not exist?
Partial hydrolysis of XeF4 gives ____________.
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 |
On partial hydrolysis, XeF6 gives ______.
The atomic radii of Zr and Hf are almost identical. This is because of
Noble gases are named because of their inertness towards reactivity. Identify an incorrect statement about them.
Which one of the following reactions of xenon compounds is not feasible?
\[\ce{XeF6 + H2O ->[Partial][Hydrolysis] \underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}}\]
\[\ce{XeF4 + H2O - \underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}}\]
Discuss the trends in electronegativity and atomic radii for elements of group 16 17, 18.
