Asked by Anonymous
Compare a sample of HBr to a sample of HCl. The electronegativity difference between H and Cl is 0.9. Which would exhibit stronger dipole-dipole interactions, HBr or HCl? Explain why.
Answers
Answered by
DrBob222
The dipole moment for HBr is 0.80 D (D = Debye units)
The dipolemomnt for HCl is 1.08 D.
Therefore I would think HCl would exhibit strong dipole-dipole interactions. The electronegativity difference between H and Br is about 0.8 and that gives the same answer. I assume one is comparing HCl gas with HBr gas. Mixing with H2O ushers in another dipole and that complicates things as well have different concentrations too.
The dipolemomnt for HCl is 1.08 D.
Therefore I would think HCl would exhibit strong dipole-dipole interactions. The electronegativity difference between H and Br is about 0.8 and that gives the same answer. I assume one is comparing HCl gas with HBr gas. Mixing with H2O ushers in another dipole and that complicates things as well have different concentrations too.
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