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When the electron pair and molecular geometry are different?
Electron pair geometry considers both bonding and lone pairs of electrons around a central atom, while molecular geometry focuses solely on the arrangement of bonded atoms. This can lead to different geometries when there are lone pairs present; for example, in ammonia (NH₃), the electron pair geometry is tetrahedral due to one lone pair, but the molecular geometry is trigonal pyramidal. The presence of lone pairs affects bond angles and the overall shape of the molecule, resulting in distinct geometries.
What is the role of unshared electron pairs in predicting molecular geometries?
Lone electron pairs give the geometry a triangular base.
If all of the electron groups around a central atom are bonding groups (that is there are no lone pairs) what is the molecular geometry for two electron groups?
linear
What is molecular shape of BF3?
The shape of this molecule is Trigonal Planar. this is because it has no lone pairs of electrons so it maintains a 2D shape.
What is the molecular geometry for BrF4?
When you do the VSEPR you get 6pairs of electron pairs and two lone pairs which means that when you look at the geometrical shape (by looking at how many pairs of electrons you got and in this cases its 6) the shape is octahedral but the molecular shape is square planar because you only have four atoms bonding and two lone pairs which means that the lone pairs have to be as far from each other as possible so they go on the two ends ( one on top and one on the bottom) which leavs the shape to be a square planar! i hope this helps you good luck. --------- TL;DR: Square Planar.
What effect does a lone electron have on a molecular shape?
The lone pair pushes bonding electron pairs away.
What effect does a lone electron pair have a molecular shape?
The lone pair pushes bonding electron pairs away.
What effect does a lone electron pair on molecular shape?
The lone pair pushes bonding electron pairs away.
What does a lone electron pair have on molecular shape?
The lone pair pushes bonding electron pairs away.
What is the molecular shape of HClO?
It is a bent molecule because of Oxygen's lone pairs
What effect does lone pair electrons have on molecular shape?
The lone pair pushes bonding electron pairs away.
What is the molecular geometry of NH2-?
NH2- is sp3 hybridized and there is 2 bonding and 2 lone pair of electron,that's why shape of NH2 is angular.
What is the molecular shape of iodine difluoride?
Iodine difluoride (IF2) has a linear molecular shape due to the presence of two bonding pairs and one lone pair on the iodine atom. This arrangement of electron pairs gives it a linear geometry.
What is the molecular shape of HC2?
The molecular shape of HC2 is linear. There are only two atoms in the molecule and no lone pairs of electrons, resulting in a linear geometry.
How does a lone pair contribute to the molecular shape?
A lone pair of electrons can affect the molecular shape by repelling bonded pairs of electrons, causing distortions in the molecule's geometry. This can lead to changes in bond angles and overall molecular shape.
What is the molecular shape of a molecular that has two electron pairs in which both pairs are shared?
linear
How does molecular shape effect polarity?
The molecular geometry of a compound helps to determine polarity because, it indicates the number of lone pairs on a central atom thus giving it specified angles and polarity (only if there are lone pairs because if there are no lone pairs on the central atom, them it is non-polar).
