Advertisements
Advertisements
प्रश्न
Stable form of A may be represented by the formula:
पर्याय
A
A2
A3
A4
Advertisements
उत्तर
A
Explanation:
The electronic configuration of A is 1s2, 2s2, 2p6 having no unpaired electrons in the outermost shells. So, an atom having no unpaired electron in its valence shell is said to be stable.
APPEARS IN
संबंधित प्रश्न
According to VSEPR theory, the repulsion between different parts of electrons obey the order.
Shape of ClF3 is ______.
Explain VSEPR theory. Applying this theory to predict the shapes of IF7 and SF6.
The H-N-H bond angle in NH3 molecule is ____________.
Select the INCORRECT match.
Identify the molecule with linear geometry?
Explain the non-linear shape of \[\ce{H2S}\] and non-planar shape of \[\ce{PCl3}\] using valence shell electron pair repulsion theory.
Elements \[\ce{X, Y}\] and \[\ce{Z}\] have 4, 5 and 7 valence electrons respectively. Write the molecular formula of the compounds formed by these elements individually with hydrogen.
Elements \[\ce{X, Y}\] and \[\ce{Z}\] have 4, 5 and 7 valence electrons respectively. Which of these compounds will have the highest dipole moment?
Consider the species CH4, `"NH"_4^+` and `"BH"_4^-`. Choose the correct option with respect to these species.
Number of lone pair(s) of electrons on central atom and the shape of BrF3 molecule respectively are ______.
The number of lone pairs of electrons on the central I atom in `"I"_3^-` is ______.
In the following structure, the percentage of the 's' character in the lone pair occupy by the oxygen atom is ______.
Given: Cos θ = −0.99
What is the geometry of a water molecule?
Identify compound having square pyramidal-shape:from following.
Identify the geometry of TeF4 molecule from the following.
Match List-I with List-II.
| List-I | List-II | ||
| A. | XeO3 | I. | sp3d; linear |
| B. | XeF2 | II. | sp3; pyramidal |
| C. | XeOF4 | III. | sp3d3; distorted octahedral |
| D. | XeF6 | IV. | sp3d2; square pyramidal |
Choose the correct answer from the options given below:
