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Chem 110
Chemistry 110, W&L Desjardins
8
Chemistry
Undergraduate 1
04/10/2013
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Term

Hard Lewis Acid/Base

 Definition
  • Difficult to polarize
  • Small electron cloud
Term
Soft Lewis Acid/Base
 Definition
  • Easier to polarize
  • Large electron cloud
Term
Hard Lewis Acids
 Definition
Groups 1 & 2 cations (+)
Term
Hard Lewis Bases
 Definition
Contain O or F
Term
Soft Lewis Acids
 Definition
  • Transition metals
  • Many [d] electrons
Term
Intermediate Acids/Bases
 Definition
Cl-, NH3
Term
Strong Acids
 Definition
  • HCl 
  • HBr
  • HI
  • HNO3
  • H2SO4
  • HClO4
  • Totally dissociate in water
Term
Weak Acid
 Definition
  • Any non-strong acid
  • H3PO4
  • CH3COOH/HOAc
  • H2CO3
  • Do not totally dissociate
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