MCQ
Which of the following has zero dipole moment
- A$C{H_2}C{l_2}$
- ✓$C{H_4}$
- C$N{H_3}$
- D$P{H_3}$
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$\begin{array}{*{20}{c}}
{C{H_3} - C{H_2} - C - CH - CHO} \\
{\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,CN}
\end{array}$
is :