Which among the following $\alpha$-amino acids does NOT have chiral carbon atom?

Which among the following $\alpha$-amino acids does NOT have chiral carbon atom?
  1. Histidine
  2. Glutamic acid
  3. Serine
  4. Glycine

Solution

Except glycine, all $\alpha$-amino acids are chiral.

Asked in: MHT CET 2023 (10 May Shift 1)

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