Question

Newman projections P, Q, R and S are shown below:
H3CCHз
CH3
CH3
ОН
CH3
Н
НО.
Н.
НАС
Н
СНs
CH3
Р
"C₂H5
CH3
о
CH3
Н
CH3
CH(CH3)2
C₂H5
CH5
НО
CH3
I
H
ОН
СНs
R
S
Which one of the following options represents identical molecules?​

Answer 1

Answer:

all of these are identical