Question

Lactic acid is a:

A.

Two-carbon molecule

B.

One-carbon molecule

C.

Four-carbon molecule

D.

Three-carbon molecule

Correct option is D

Lactic acid is a: - Three carbon molecules 

Lactic acid (C₃H₆O₃) is an organic acid contains three carbon (C) atoms. It is a three-carbon organic acid, with the chemical structure CH₃-CHOH-COOH  

  • Two carbon molecules - Ethane
  • One carbon molecule - Methane 
  • Four carbon molecule-Butane

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