118A-Quiz4A-Key - Name:
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 Section:_______________________
 
 Discussion
Quiz
4‐2A‐‐Key
 1. a)
 (3
pts)
 Using
Newman
projections,
draw
the
following
molecule
in
its
Anti

and

Gauche
 conformations
with
respect
to
the
bond
indicated:
2,2‐dimethylpentane,
C3‐C4
bond.

 Which
conformation
is
the
most
stable?
 
 
 
 
 Anti
is
most
stable.
 2.
 Draw
the
following
chair
conformations
(2pts
each):
 
 a)
 Most
stable
conformation
for
cis‐1‐methyl‐3‐(1‐methylethyl)
cyclohexane
 
 
 b)
 Most
stable
conformation
for
cyclohexanol
 
 3.
 Is
the
following
molecule,
trans‐3‐fluorocyclohexanol,

in
it
most
stable
conformation?

If
your
 answer
is
no,
then
flip
the
ring
and
draw
its
most
stable
conformation
(3
pts).
 No.
 
 ...
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