What is the molecular geometry, or shape, of chloroform CHCl_3?

1 Answer
Doc048
Jul 16, 2017

Tetrahedral Parent and Geometry => AX_4E_0

Explanation:

From the formula given HC Cl_3 there are 4 bonded pairs of electrons attached to the central element carbon (C) and zero (0) non-bonded pairs of electrons.

Non-bonded pairs = ("Valence" "Electrons" - "Substrate" "Electrons")/2

Valence electrons = 1H + 1C +3Cl = 1(1) + 1(4) + 3(7) = 26

Substrate electrons = 1H + 3Cl = 1(2) + 3(8) = 26

Non-bonded e^(-) pairs = (V_e - S_e)/2 = (26 - 26)/2 = 0

Bonded e^- Pairs = number of substates attached to the central element = 4

:. Parent and Structural Geometry = AX_4E_0 => Tetrahedral Geometry

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