The preferred conformation of ...

[tichca]

The preferred conformation of cis-3-tert-butyl-1-methylcyclohexane is the one in which:
  A)
  the t-butyl group is axial and the methyl group is equatorial
  B)
  both groups are axial
  C)
  both groups are equatorial
  D)
  the methyl group is axial and the t-butyl group is equatorial
  E)
  molecule exists in a boat conformation

Question 2

The least stable conformation of butane is given by which of the following Newman projections?
  A)
   
 
  B)
   
 
  C)
   
 
  D)
   
 
  E)
   
 

Question 3

The preferred conformation of butane is given by which of the following Newman projection formulas?
  A)
   
 
  B)
   
 
  C)
   
 
  D)
   
 
  E)
   
 

Question 4

The least stable conformation of propane is:
  A)
  staggered
  B)
  chair
  C)
  planar
  D)
  eclipsed
  E)
  boat

[ririgirl15]

Answer to Question 1

c

Answer to Question 2

c

Answer to Question 3

a

Answer to Question 4

d

[tichca]

Wow, this really help

[raenoj]

Gracias!