Which is the wrong statement with regards to Indigo?

  • A
    Indigo was extracted in India from plants of the 'Indigofera' group.
  • B
    The chemical structure of Indigo was determined by Baeyer,a German chemist who also synthesized it.
  • C
    Indigo is a dark blue solid soluble in water giving a blue solution.
  • D
    Indigo is fixed to fabrics by the vat process.

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