The carbon with a smiley face over it is a(n)
A) beta carbon.
B) anomeric carbon.
C) center of chirality.
D) secondary amine.
E) peptide bond.

Question

The carbon with a smiley face over it is a(n)  
A) beta carbon. 
B) anomeric carbon. 
C) center of chirality. 
D) secondary amine. 
E) peptide bond.

Quizplus · Accepted Answer

The smiley face over the carbon indicates that it is a stereocenter, and since it is connected to four different groups, it is a chiral center. Therefore, the correct term for this carbon is the center of chirality.

The Carbon with a Smiley Face Over It Is A(n)