Question- if an unknown forms a silver mirror in the, Ask an Expert

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Question- If an unknown forms a silver mirror in the Tollens test, forms a purple color in the Schiff test, produces no precipitate in the iodoform test, has a refractvie index of 1.5250, and forms a semicarbazone melting at 124-126 C, what is its identity? Support your conclusions.
Should answer all portions and the identity

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