Chemical Tests Flashcards by rph soon | Brainscape

Q

a-naphthol

A

Molisch’s test
aka a-naphthol reaction

Result: purple/red
General test for carbohydrates

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Q

CuSO4

A

Fehling’s A
Result: brick red ppt

Test for carbohydrates (monosaccharides)

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Q

K Na tartrae

A

Fehling’s B
result: brick red ppt

Test for carbohydrates (manosaccharides)

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Q

NaOH + CuSO4

A

Benedict’s
result: brick red ppt

Test for carbohydrates (reducing sugars)

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Q

silver + ammonia

A

Tollen’s
result: silver mirror

test for carbohydrates (aldehyde)

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Q

picric acid

A

picric acid
result: mahogany red

Test for carbohydrates (reducing sugars)

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Q

Na K tartrate + K/Na OH + Bi

A

Nylander’s
result: brown

Test for carbohydrates (reducing sugars)

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Q

Phenylhydralazine

A

osazone/kowarsky
result: yellow ppt (ozone)

Test for carbohydrates (mannose)

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Q

resorcinol

A

seliwanoff’s
result: red

Test for carbohydrates (fructose/ketohexoses)

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Q

acetic acid, FeCl, H2SO4

A

keller-killiani
result: reddish brown

Test for deoxy sugars/cardiac glycosides

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Q

heat with alkali

A

moore’s
result: caramel

Test for carbohydrates (glucose)

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Q

nitric acid

A

mucic acid
result: insoluble ppt

Test for carbohydrates (galactose)

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Q

resorcinol + Fe

A

bial’s oranol test/ phloroglycinol test
result: blue green

Test for carbohydrates (pentose)

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Q

iodine test

A

Test for carbohydrates (starch)

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Q

cupric acetate + acetic acid

A

barfoed’s test
result: reddish precipitate

Test for carbohydrates (reducing monosaccharides)

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Q

K mercuric iodide

A

Mayer’s reagent
Result: creamy white

test for alkaloids

Q

KBi iodide

A

dragendorff’s
result: orange

test for alkaloids

Q

2: picric acid

A

hager’s reagent
test for alkaloids

Q

I2 in KI

A

wagner’s
test for alkaloids

Q

mercuric iodide

A

valser’s reagent
alkaloids

Q

-I2 in KI

A

bouchdart’s reagent
alkaloids

Q

KCd Iodide

A

marme’s reagent
alkaloids

Q

phospholybdic acid

A

sonnenchein’s reagent
alkaloids

Q

phosphotungstic acid

A

scheibler’s reagent
alkaloids

Q

froth test

A

result: formation of froth
test for saponin glycoside

Q

hemolytic test

A

result: hemolysed blood
test for saponin glycoside

Q

liebermann’s test

A

test for flavonoid glycoside

Q

lead acetate test

A

test for coumarin glycoside

Q

millon’s test

A

test for lipids (olive oil)

Q

grignard’s test

A

test for cyanogenic glycosides

Q

goldbeater’s test

A

2% HCl, 1% FeSO4
result: brown/black

classification of tannins

Q

borntrager’s test

A

test for anthraquinone glycosides