The given molecule has a chiral center. Deter | vedclass

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(B) To determine the configuration ($R$ or $S$) of the chiral center,we assign priorities to the groups attached to the chiral carbon based on the Cah

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$S$

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(B) To determine the configuration ($R$ or $S$) of the chiral center,we assign priorities to the groups attached to the chiral carbon based on the Cahn-Ingold-Prelog $(CIP)$ rules:$1$. $-OH$ group has the highest priority $(1)$.$2$. $-Et$ $(-CH_2CH_3)$ group has priority $(2)$.$3$. $-Me$ $(-CH_3)$ group has priority $(3)$.$4$. $-H$ atom has the lowest priority $(4)$.In the Fischer projection,the lowest priority group $(-H)$ is on the vertical line.Tracing the path from priority $1$ $\rightarrow 2$ $\rightarrow 3$ gives a counter-clockwise direction.Since the lowest priority group is on the vertical line,the counter-clockwise direction corresponds to the $S$ configuration.

The given molecule has a chiral center. Determine its configuration.

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