question_answer

A netural molecule\[X{{F}_{3}}\]has a zero dipole moment. The element X is most likely

A)  chlorine              

B)  boron

C)  nitrogen        

D)         carbon

E)  bromine

Correct Answer: B

Solution :

\[B{{F}_{3}}\]has planar, symmetrical, trigonal planar structure and hence, zero dipole moment as all the individual bond moments cancel each other.