Lewis acids & bases answers

IB Chemistry: Lewis acids & bases answers

Answers to Lewis acids & bases questionsBF3 : trigonal planar, 120o. BF4– : regular tetrahedron, 109.5o.2. AlCl3 only contains three electron pairs around the central aluminium atom. When it acts as a halogen carrier it completes its octet by accepting a pair of electrons from one of the chlorine atoms in the chlorine molecule causing the Cl―Cl bond to break and form AlCl4― and Cl+. It is therefore acting as a...

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