Chemical Bonding - Result Question 109
8. The molecule which has zero dipole moment is
(1989, 1M)
(a) $CH _2 Cl _2$
(b) $BF _3$
(c) $NF _3$
(d) $ClO _2$
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Answer:
Correct Answer: 8. (b)
Solution:
- $BF _3$ has triangular planar arrangement.
Three identical vectors acting in outward direction at equal angles in a plane cancel each other giving zero resultant, hence non-polar.
BETA
