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Calculating effective charges on I and Br

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Please help with the following chemical bonding problems, and provide step by step calculations.
The iodine monobromide molecule, IBr, has a bond length of 2.49 Angstroms and a dipole moment of 1.21 D.
a) Which atom of the molecule is expected to have a negative charge?
b) Calculate the effective charges on the I and Br atoms in IBr, in units of the electronic charge e.

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Solution Summary

Solution is highly recommended to show steps for calculating effective charges on atoms in a molecule (in this case, IBr) from its bond length and dipole moment values. The questions answered involve finding which atom of a molecule is expected to have a negative change and calculating the effective charges on the I and Br atoms in IBr. Step by step calculations are provided for each.

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The iodine monobromide molecule, IBr, has a bond length of 2.49 Angstroms and a dipole moment of 1.21 D.
a) Which atom of the molecule is expected to have a negative charge?
b) Calculate the effective charges on the I and Br atoms ...

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