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NTA Abhyas JEE Main2020ChemistryChemical Bonding and Molecular StructurePractice

A diatomic molecule has a dipole moment of 1.2 D. If the bond distance is 1.0 Å , what fraction of an electronic charge, e, exists on each atom?

Correct answer

0.25

Step-by-step solution

Partial charge = Dipole moment Bond distance = 1.2 × 1 0 - 18 1.0 × 1 0 - 8 = 1.2 × 1 0 - 10 e s u The fraction of an electronic charge is = 1.2 × 1 0 - 10 4.8 × 1 0 - 10 = 0.25 or = 25%

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