Problem: Which of these molecules are polar? Check all that apply

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$PCl_3$ is polar because Phosphorus has 1 lone pair, this creates a dipole moment which does not cancel out.

$SO_2$ is polar because Sulfur has 1 lone pair as well.

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Which of these molecules are polar? Check all that apply

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Based on our data, we think this problem is relevant for Professor Roychowdhury's class at RUTGERS.