Chemical Bonding and Molecular Structure - Result Question 63
####64. Which of the following molecules has trigonal planar geometry?
[2005]
(a) $BF_3$
(b) $NH_3$
(c) $PCl_3$
(d) $IF_3$
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Solution:
- (a) $BF_3$ is $s p^{2}$ hybridised. So, it is trigonal planar. $NH_3, PCl_3$ has $s p^{3}$ hybridisation hence has trigonal pyramidal shape, $IF_3$, has $s p^{3} d$ hydridization and is T-shaped.
