Question
Which of the following molecules are polar?(a) $\mathrm{SO}_{2} ;$ (b) $\mathrm{CO}_{2} ;$ (c) $\mathrm{H}_{2} \mathrm{O} ;$ (d) $\mathrm{HC} \equiv \mathrm{CCl} ;$ (e) $\mathrm{H}_{2} \mathrm{S}$.
Step 1
A molecule is polar if it has a net dipole moment. This occurs when there is a difference in electronegativity between the atoms in the molecule, causing a separation of charge. The molecule also needs to be asymmetrical, otherwise, the dipole moments can cancel Show more…
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