Question:
Explain the non-linear shape of H2 S and non-planar shape of PCl3 using valence shell electron pair repulsion theory.
Solution:
In H2S, the Sulphur atom is surrounded by the four electron pairs (two bond pairs and two lone pairs).
These four electron pairs adopt tetrahedral geometry.
The repulsion between the lone pair electrons brings distortion in the shape of the H2S.
Thus, H2Sis not linear in shape.
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