MIDTERM 08 - Tests for Carbohydrates Flashcards by Juan Carlos Cornelio

Q

Molisch’s test (Test for)

A

General test for carbohydrates

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Q

Fehling’s test (Test for)

A

Reducing sugars

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Q

Benedict’s test (Test for)

A

Reducing sugars

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Q

Picric acid test (Test for)

A

Reducing sugars

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Q

Barfoed’s test (Test for)

A

Reducing sugars (Monosaccharides)

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Q

Tollen’s test (Test for)

A

Reducing sugars (Aldehydes)

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Q

Molisch’s test (Composition)

A

α-naphthol

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Q

Fehling’s test (Composition)

A

Fehling’s A (CuSO4), Fehling’s B (K Na Tartrate)

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Q

Benedict’s test (Composition)

A

NaOH + CuSO4

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Q

Barfoed’s test (Composition)

A

Cupric acetate + Acetic acid

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Q

Tollen’s test (Composition)

A

Silver + Ammonia

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Q

Picric acid test (Composition)

A

Picric acid

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Q

Molisch’s test (Positive result)

A

Purple/red ring

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Q

Fehling’s test (Positive result)

A

Brick red ppt

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Q

Benedict’s test (Positive result)

A

Brick red ppt

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Q

Barfoed’s test (Positive result)

A

Brick red ppt

Q

Tollen’s test (Positive result)

A

Silver mirror

Q

Picric acid test (Positive result)

A

Mahogany red

Q

Nylander’s test (Test for)

A

Reducing sugars

Q

Osazone/Kowarsky test (Test for)

A

Mannose

Q

Seliwanoff’s test (Test for)

A

Ketohexose (Fructose)

Q

Keller-Killiani test (Test for)

A

Deoxysugars (Cardiac glycosides)

Q

Moore’s test (Test for)

A

Reducing sugars (Glucose)

Q

Mucic acid test (Test for)

A

Galactose

Bial's test (Test for)

Pentose

Nylander's test (Composition)

Na K Tartrate + K/NaOH + Bi

Osazone/Kowarsky test (Composition)

Phenylhydrazine

Seliwanoff's test (Composition)

Resorcinol

Keller-Killiani test (Composition)

Acetic acid, Fe chloride, Sulfuric acid

Moore's test (Composition)

Heat with alkali

Mucic acid test (Composition)

Nitric acid

Bial's test (Composition)

Resorcinol + Fe

Nylander's test (Positive result)

Brown

Osazone/Kowarsky test (Positive result)

Yellow ppt (Ozone)

Seliwanoff's test (Positive result)

Red

Keller-Killiani's test (Positive result)

Reddish brown

Moore's test (Positive result)

Caramel

Mucic acid test (Positive result)

Insoluble ppt

Bial's test (Positive result)

Blue green