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Sagot :
Answer:
CF4- electron geometry- tetrahedral
Molecular geometry- tetrahedral
bond angle- 109 degrees
NF3- electron geometry- tetrahedral
Molecular geometry- trigonal planar
bond angle - less than 109 degrees
OF2 - electron geometry- tetrahedral
Molecular geometry- bent
bond angle- less than 109 degrees
H2S- electron geometry- tetrahedral
Molecular geometry- bent
less than 109 degrees
Explanation:
All the compounds mentioned here are based on a tetrahedron according to VSEPR theory. There are four regions of electron density in each molecule.
However, the presence of lone pairs causes a distortion away from the expected tetrahedral geometry predicted by VSEPR theory.
Hence the presence of one or more lone pairs on the valence shell of the central atom causes distortion from the expected geometry.
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