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CHEM1611
2009-J-3
June 2009
•
The molecular structure of adrenaline (epinephrine), a hormone involved in the
"fight or flight" response, is shown below.
#1
OH
HO
A
H
N
B
#3
#2
C
HO
Provide the requested information for each of the indicated sites on adrenaline.
Atom
Geometric arrangement
of the electron pairs
around the atom
Hybridisatio
n of the
atom
Geometry around
the atom
Approximate
angles around
the atom
#1
O
tetrahedral
sp3
bent
109°°
#2
N
tetrahedral
sp3
trigonal pyramidal
109°°
trigonal planar
sp2
trigonal planar
120°°
#3
C
Marks
4
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