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If B-Cl bond has a dipole moment, explain why BCl_3 molecule has zero dipole moment. |
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Answer» Solution :As a result of the difference in the electronegativities of B and CL, the B Cl bond is polar in nature. HOWEVER, the `BCl_3` molecule is non-polar. This is because `BCl_3` is trigonal planar in SHAPE. It is a symmetrical molecule.  Hence, the RESPECTIVE dipole-moments of the B-Cl bond cancel each other, there by causing a zero-dipole MOMENT. |
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