Which of the following amino acid is optically inactive?

Question

Which of the following amino acid is optically inactive? (A) Phenyl alanine (B) Glycine (C) Glutamic acid (D) Asparagine

Tardigrade Admin · Accepted Answer

Optical isomers have all 4 different groups attached to same carbon atom.
Phenylalanine, glutamic acid aspargine have 4 different groups attached to carbon atom. But glycine has two identical groups attached to it. Therefore, glycine does not show optical activity.

Q. Which of the following amino acid is optically inactive?

Phenyl alanine

Glycine

Glutamic acid

Asparagine

Optical isomers have all 4 different groups attached to same carbon atom. Phenylalanine, glutamic acid aspargine have 4 different groups attached to carbon atom. But glycine has two identical groups attached to it. Therefore, glycine does not show optical activity.

Optical isomers have all 4 different groups attached to same carbon atom.
Phenylalanine, glutamic acid aspargine have 4 different groups attached to carbon atom. But glycine has two identical groups attached to it. Therefore, glycine does not show optical activity.