JEE MAIN - Chemistry (2018 - 16th April Morning Slot - No. 14)
The incorrect geometry is represented by :
BF3 - trigonal planar
H2O - bent
NF3 - trigonal planar
AsF5 - trigonal bipyramidal
Explanation
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NF3 has trigonal pyramidal geometry. Here central atom nitrogen has sp3 hybridization and one lone pair of electron. Because of lone pair there exist repulsion force between lone pair and bond pair of electrons, that is why bond angles are lower than tetrahedral bond angle.
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