Lewis acids/bases
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6 Terms
1
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What is a Lewis acid?
e- pair acceptor
electrophile
2
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What is a Lewis base?
e- pair donor
nucleophile
3
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What is an adduct?
Single product formed from combination of 2/more molecules in an addition reaction
4
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When are adducts formed?
Lewis acid + Lewis base
5
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In general which molecules act as Lewis acids?
Group 13 compounds (as they have 6 valence e-)
p-block elements IF central atom = period 3/lower
Metal cations (basis of coordinate chemistry)
6
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What are general properties of Lewis bases?
Ion/molecule must contain lone pair
Lewis basicity DECREASES across period
Lewis basicity DECREASES down group
Note 
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