What is IUPAC name of Acrylic acid?

What is IUPAC name of Acrylic acid?
  1. Propanoic acid
  2. Prop-2-enoic acid
  3. 2-Methylpropanoic acid
  4. 2-Hydroxypropanoic acid

Asked in: MHT CET 2024 (04 May Shift 1)

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