Chiral Carbons Tetrahedral carbons with 4 different attached groups are chiral. If there's only one chiral carbon in a molecule,its mirror image will be a different compound (enantiomer). mirror Copyright 2005 Pearson Prentice Hall.Inc. Chiral Carbons ❖Tetrahedral carbons with 4 different attached groups are chiral. ❖If there’s only one chiral carbon in a molecule, its mirror image will be a different compound (enantiomer)