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Which molecule has the largest dipole moment?Only one correct answerA.HCl𝐻𝐶𝑙B.HI𝐻𝐼C.HBr𝐻𝐵𝑟D.HF𝐻𝐹

Question

Which molecule has the largest dipole moment?Only one correct answerA.HCl𝐻𝐶𝑙B.HI𝐻𝐼C.HBr𝐻𝐵𝑟D.HF𝐻𝐹

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Solution

The molecule with the largest dipole moment is D. HF (Hydrogen Fluoride).

Here's why:

The dipole moment of a molecule is determined by the difference in electronegativity between the atoms and the distance between the atoms.

In the molecules given, all are hydrogen halides. The halogens (Cl, I, Br, F) are more electronegative than hydrogen, so they will pull the shared electrons towards them, creating a dipole moment.

Among the halogens, Fluorine is the most electronegative element. Therefore, the difference in electronegativity between Hydrogen and Fluorine is the greatest, leading to the largest dipole moment in HF.

This problem has been solved

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