Question

Which of the following compounds possesses zero dipole moment?

• A. $C_6{H}_6\left(benzene\right)$
• B. $CC{l}_4$
• C. $B{F}_3$
• D. All of these

Answer 1

The correct option is D All of these

Symmetrical molecules have zero dipole moment.
$C_6{H}_6$ is a cyclic compound. Dipole moment vectors cancel out each other and hence, the net dipole moment is zero.
Similarly, $CC{l}_4$ and $B{F}_3$ (as shown) are also symmetrical molecules and thus have zero dipole moment.