Advertisements
Advertisements
प्रश्न
Write the electronic configuration of the following element:
Krypton (Z = 36)
उत्तर
Electronic configuration of krypton (Z = 36) is, 36Kr - 1s22s22p63s23p63d104s24p6
or [Ar]3d104s24p6
APPEARS IN
संबंधित प्रश्न
Draw the structures of the following molecules: XeF4
Draw the structures of the following molecules: XeF2
What happens when: XeF4 reacts with SbF5?
Which noble gas has the lowest boiling point?
Complete the equation : XeF2+PF5 →
Complete the following equations : XeF4 + O2F2→
Draw the structures of the following:
XeO3
test q 1234
Balance the following equation: XeF6 + H2O → XeO2F2 + HF
Why has it been difficult to study the chemistry of radon?
How are xenon fluorides XeF2, XeF4 and XeF6 obtained?
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:
`BrO_3^(-)`
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 structures of the following:
XeF4
Draw the structure of XeF4.
Sulfur dioxide reacts with sodium hydroxide solution to form _______.
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?
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:
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 ______.
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:
Noble gases are named because of their inertness towards reactivity. Identify an incorrect statement about them.
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?
\[\ce{XeF6 + H2O ->[Partial][Hydrolysis] \underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}}\]
Discuss the trends in electronegativity and atomic radii for elements of group 16 17, 18.
