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Which is the wrong statement with regards to Indigo?

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Indigo was extracted in India from plants of the 'Indigo ferra' group

The chemical structure of Indigo was determined by Baeyer, a German chemist who also synthesized it

indigo is a dark blue solid soluble in water giving a blue solution

Indigo is fixed to fabrics by the vat process

answer is C.

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Detailed Solution

Indigo is a dark blue solid which is insoluble in polar solvents such as water, alcohol but soluble in DMSO, nitrobenzene and so on.

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