Question

Which of the following would have a permanent dipole moment ?

• A. $B{F}_3$
• B. $Si{F}_4$
• C. $S{F}_4$
• D. $Xe{F}_4$

Answer 1

Answer: (C)

Out of the given four molecules only $S{F}_4$ is not symmetrical. As such it will have a permanent dipole moment