Question

Among the following which one is a linear molecule having zero dipole moment?

• A. $H_{2}O$
• B. $HCl$
• C. $C{O}_2$
• D. $H_{2}S$

Answer 1

Answer: (C)

$C{O}_2$ is a linear molecule. It has zero dipole moment due to its symmetrical structure.
$O=C=O;\theta =180^{\circ }$ and $\mu =0$