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what is the expected geometry of molecules of AX3, AX4, and AX5types? give one examples of each. what is the expected geometry of molecules of AX3, AX4, and AX5types? give one examples of each.
HELLO THERE! Here I am assuming that X does not represent Halogens. It represents normal surrounding atoms of A. First, AX3: Hybridisation = sp2There is no Lone pair, so Geometry of the molecule is Trigonal Planar (bond angle = 120o)Example: BH3If there is one lone pair, geometry is V-shaped/Bent-Shaped. Second, AX4:Hybridisation = sp3There is no Lone pair, so Geometry is Tetrahedral (bond angle = 109.5o).Example: CH4If there is one lone pair, geometry is Pyramidal.If there are two lone pairs, geometry is V-shaped/Bent-shaped. Third, AX5:Hybridisation = sp3dThere is no lone pair, so geometry is Trigonal Bipyramidal.Example: PCl5.If there is one Lone Pair, geometry is Seesaw.If there are two Lone Pairs, geometry is T-shaped.If there are three Lone Pairs, geometry is Linear.
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