Qualitative Tests for Alkaloids
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15 Terms
c. Iodine in KI
mnemonics: WIKI
The reagent used in Wagners/Bouchardat's test
a. Mercuric iodide
b. Potassium bismuth iodide
c. Iodine in KI
d. Phosphotungstic acid
c. Reddish brown precipitate
The positive result of Wagners/Bouchardat's test
a. White precipitate
b. Orange precipitate
c. Reddish brown precipitate
d. Cream precipitate
Bouchardat's test
Wagners test aka
d. Mercuric iodide
mnemonic: VaMI
The reagent used in Valser's test
a. Iodine in KI
b. HgCl₂ in KI
c. Potassium bismuth iodide
d. Mercuric iodide
a. White precipitate
The positive result of Valser's test
a. White precipitate
b. Orange precipitate
c. Reddish brown precipitate
d. Cream precipitate
b. HgCl₂ in KI
mnemonic: MaMeKI
The reagent used in Mayer's test
a. Iodine in KI
b. HgCl₂ in KI
c. Mercuric iodide
d. Potassium bismuth iodide
c. White or cream precipitate
The positive result of Mayer's test
a. Reddish brown precipitate
b. Orange precipitate
c. White or cream precipitate
d. Yellow precipitate
d. Potassium bismuth iodide
mnemonic: DrKBI
The reagent used in Dragendorff's test
a. Phosphotungstic acid
b. Potassium cadmium iodide
c. Saturated picric acid
d. Potassium bismuth iodide
a. Orange precipitate
The positive result of Dragendorff's test
a. Orange precipitate
b. Reddish brown precipitate
c. Cream precipitate
d. White precipitate
c. Potassium cadmium iodide
The reagent used in Marme's test
a. Phosphotungstic acid
b. Saturated picric acid
c. Potassium cadmium iodide
d. Potassium bismuth iodide
d. Precipitation
The positive result of Marme's test
a. White precipitate
b. Orange precipitate
c. Reddish brown precipitate
d. Precipitation
a. Saturated picric acid
The reagent used in Hager's test
a. Saturated picric acid
b. Phosphotungstic acid
c. Potassium cadmium iodide
d. Phosphomolybdic acid
c. PhosphoTungstic acid
mnemonic: PTA
The reagent used in Scheibler's test
a. Saturated picric acid
b. Phosphomolybdic acid
c. Phosphotungstic acid
d. Potassium cadmium iodide
b. PhosphoMolybdic acid
mnemonic: PMA
The reagent used in Sonnenschein's test
a. Saturated picric acid
b. Phosphomolybdic acid
c. Phosphotungstic acid
d. Potassium cadmium iodide
c. Gold, silver, or platinum salts
The reagent used in the Reaction with metals test for alkaloids
a. Phosphate, iron, and gold
b. Silver, magnesium and aluminum
c. Gold, silver, or platinum salts
d. Aluminum, platinum, and gold