3 public questions tagged with this topic.
In NF₃ , nitrogen has four electron pairs (three bonding, one lone), giving tetrahedral electron geometry, but the lone pair results in a trigonal pyramidal shape.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: VSEPR Theory and Shapes of Molecules
In PH₃ , phosphorus is sp³ hybridized with one lone pair, leading to a trigonal pyramidal shape with a bond angle less than 109.5°.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: VSEPR Theory and Shapes of Molecules
In PCl₃ , phosphorus is sp³ hybridized with 4 electron pairs (3 bonding, 1 lone), resulting in a trigonal pyramidal shape.
Ref: NCERT Class 11 Chemistry > Chapter 4: Chemical Bonding and Molecular Structure > Topic: VSEPR Theory and Shapes of Molecules
