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CHCl3 is called chloroform. First we need to count the total number of valence electrons. We just add the valence electrons of each atoms involved.
C = 4
Cl = 7 x 3
H = 1
Next, we have to assign the central atom; In this case it is C.
Now we have to connect the atoms and form bonds. We can form three C-Cl bonds and one C-H bonds.
Cl - C - Cl
Finally, we have to distribute the remaining electrons on C atoms provided that it follow the octet rule.
.. | ..
: Cl - C - Cl :
'' | ''
: Cl :
CHCl3 is similar with Metane (CH4) in terms of geometry. CHCl3 is a tetrahedral molecule therefore it has a bond angle of 109.5 degrees. and it is polar
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