Explain why the Lewis acidity of the silicon tetrahalides follows the trend: SiI 4 < SiBr 4

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Explain why the Lewis acidity of the silicon tetrahalides follows the trend:

SiI4 < SiBr4 < SiCl4 < SiF4 whereas the trend for the boron trihalides follows the trend BF3 < BCl3 < BBr3 < BI3.

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Inorganic Chemistry

ISBN: 9780198768128

7th Edition

Authors: Mark Weller, Tina Overton, Jonathan Rourke

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