In biuret test which color confirms the presence of proteins?

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Green

Bluish Violet

Brick red

Pinkish orange

answer is B.

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Detailed Solution

The appearance of bluish-violet color confirms the presence of proteins in the Biuret test.
This colour formation is due to chelate formation i.e. multiple coordination bonds between the organic molecules and a transition metal ion leads to the sequestration of the metal.

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