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.
In PCl3, the phosphorous atom has one lone pair of electron and three bond pairs. The hybridization is sp3 i.e tetrahedral shape.
The presence of the lone pair brings distortion in the tetrahedral shape.
Thus, it is pyramidal in shape.
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