Ninhydrin test is used in identification of

carbohydrates

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amino acids

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ketoses

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oil and fats

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Solution

The correct option is B amino acids
All $α -$ amino acids on treatment with ninhydrin (2,2-dihydroxyindane-1,3-dione) give purple colouration. The purple coloures complex is Ruhemann's purple. This test is called ninhydrin test and is used for the detection of $α -$ amino acids.

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Ninhydrin test is used in identification of

The correct option is B amino acidsAll α− amino acids on treatment with ninhydrin (2,2-dihydroxyindane-1,3-dione) give purple colouration. The purple coloures complex is Ruhemann's purple. This test is called ninhydrin test and is used for the detection of α− amino acids.

The correct option is B amino acids
All $α -$ amino acids on treatment with ninhydrin (2,2-dihydroxyindane-1,3-dione) give purple colouration. The purple coloures complex is Ruhemann's purple. This test is called ninhydrin test and is used for the detection of $α -$ amino acids.