What do you understand by bond pairs and lone pairs of electrons? Illustrate by giving one example of each type.
(N/A) Bonding electron pair: In a molecule,the electron pair which forms a bond between two atoms is called a bonding electron pair.
Nonbonding electron pair (lone pair): The electron pair which does not take part in bond formation in a molecule is called a nonbonding electron pair.
Example: In the Lewis structure of $H_2O$,the two electron pairs on the $O$ atom are lone pairs,while the two $O-H$ bonds are bond pairs.
Nonbonding electron pair (lone pair): The electron pair which does not take part in bond formation in a molecule is called a nonbonding electron pair.
Example: In the Lewis structure of $H_2O$,the two electron pairs on the $O$ atom are lone pairs,while the two $O-H$ bonds are bond pairs.
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Similar Questions
Based on the $VSEPR$ model,match the xenon compounds given in List-$I$ with the corresponding geometries and the number of lone pairs on xenon given in List-$II$ and choose the correct option.
List-$I$ List-$II$ $(P)$ $XeF_2$ $(5)$ Trigonal bipyramidal and three lone pairs of electrons $(Q)$ $XeF_4$ $(3)$ Square planar and two lone pairs of electrons $(R)$ $XeO_3$ $(2)$ Pyramidal and one lone pair of electrons $(S)$ $XeO_3F_2$ $(4)$ Trigonal bipyramidal and no lone pairs of electrons
| List-$I$ | List-$II$ |
|---|---|
| $(P)$ $XeF_2$ | $(5)$ Trigonal bipyramidal and three lone pairs of electrons |
| $(Q)$ $XeF_4$ | $(3)$ Square planar and two lone pairs of electrons |
| $(R)$ $XeO_3$ | $(2)$ Pyramidal and one lone pair of electrons |
| $(S)$ $XeO_3F_2$ | $(4)$ Trigonal bipyramidal and no lone pairs of electrons |
$BCl_3$ is a planar molecule while $NCl_3$ is pyramidal. This is because......
Medium
View SolutionWhich of the following has a square planar structure?
Medium
View SolutionWhich of the following species has a pyramidal shape?
Easy
View SolutionThe shape of the $O_2F_2$ molecule is similar to which of the following?
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