Question

CH₃ – CHCl – CH₂ – CH₃ has a chiral centre. which one of
the following represents its R-configuration?
C₂H₅
|
(a) H - C - CH₃
|
Cl

C₂H₅
|
(b) Cl - C - CH₃
|
H

CH₃
|
(c) H - C - Cl
|
C₂H₅
C₂H₅
|
(d) H₃C - C - Cl
|
H

Answer 1

Explanation:

CH₃ – CHCl – CH₂ – CH₃ has

C₂H₅

|

(a) H - C - CH₃

|

Cl

C₂H₅

|

(b) Cl - C - CH₃

|

H

CH₃

|

(c) H - C - Cl

|

C₂H₅

C₂H₅

|

(d) H₃C - C - Cl

|

H