The structure of 2 - chlorobutane is shown below.

Question

a) which newman projection below represents the lowest energy state of butane?
b)which newman projection below represents the highest energy state of butane?

Answer 1

a) staggered structure (i.e. the CH3 are at 180 degrees)

b) eclipsed structure (i.e. the CH3 are on the same plane)

Answer 2

Thanx bonjo. For others answer for a) is a and answer for b) is d.

Answer 3

for the answers a isnt a

Answer 4

a is the first choice and so on..