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Organic Chem 2
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Ionic Bond
A bond is formed through the attraction of two atoms with opposite charge.
Covalent Bond
A bond that is formed through the sharing of electrons.
Electronegetivity of: Carbon
2.5
Electronegetivity of: Nitrogen
3.0
Electronegetivity of: Oxygen
3.5
Electronegetivity of: Fluorene
4.0
Electronegetivity of: Hydrogen
2.2
Electronegetivity of: Boron
2.0
Which is more a basic or acidic, a positive or a negative partial charge?
A negative charge is more basic, and a positive charge is more acidic.
sp3 characteristics
Tetrahedral (109.5 degrees)
sp2 characteristics
Trigonal Planar (120 degrees) and stronger
sp characteristics
Liner (180 degrees) strongest
Octet rule apply mainly to which molecules?
C, N, O
Bronsted Lowry vs. Lewis
Acid and Base
Bronsted Lowry
Acid
: donates a proton
Base
: accepts a proton
Lewis
Acid
: accepts an electron
Base
: donates an electron
Define pH
The measure of acidity of an aqueous solution. ( -log[H3O+] )
define pKa
Acidity of a molecule.
-the lower it is, the more acidic it is
-the higher it is the more basic it is
pKa HCl
-7
pKa HBr
-9
pKa HI
-10
pKa H
3
O+
-1.7
pKa H
2
O
15.7
pKa R-OH
16
pKa Carboxylic Acid
(R-C that is connected to a double bond Oxygen and an OH)
5
pKa R-NH
2
40
pKa NH
3
36
R-N
+
H
3
10
pKa R-H
SO
3
-2
Which direction does the reaction go towards?
Strong acid to a weak acid
How do you determine the stability of a conjugate base?
The more the resonance structures.
Author
DianaKarlova
ID
282122
Card Set
Organic Chem 2
Description
Chapters 1-11
Updated
2014-09-05T01:10:49Z
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