Which of the following is a nonpolar molecule with a polar covalent bond?

Question

Quizplus · Accepted Answer

COS has a polar covalent bond between carbon and oxygen, but the molecule itself is linear and symmetrical, causing the partial charges to cancel out and making the molecule nonpolar. HCl is a polar molecule with a polar covalent bond, as the electronegativity difference between hydrogen and chlorine is significant. NH₃ and H₂O are not valid chemical compounds.

Which of the Following Is a Nonpolar Molecule with a Polar