`CH_3-CHCl-CH_2-CH_3` has a chiral centre. Which one of the following represents its s- configuration ?

Options

A. `{:(" "C_(2)H_(5)),(" |"),(H-C-CH_(3)),(" |"),(" "Cl):}`
B. `{:(" "C_(2)H_(5)),(" |"),(Cl-C-CH_(3)),(" |"),(" "H):}`
C. `{:(" "CH_(3)),(" |"),(H_(3)C-C-Cl),(" |"),(" "C_(2)H_(5)):}`
D. `{:(" "C_(2)H_(5)),(" |"),(H_(3)C-C-Cl),(" |"),(" "H):}`

Answer

D

Explanation

R,S configuration