Chemical Bonding - Result Question 54

####29. Which one of the following molecules is planar?

(1996, 1M)

(a) $NF _3$

(b) $NCl _3$

(c) $PH _3$

(d) $BF _3$

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Solution:

  1. $BF _3$ has triangular planar arrangement.

There identical vectors acting in outward direction, at equal angles in a plane, cancel each other giving zero resultant, hence non-polar.



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