Complete the table below regarding the different laboratory tests done for Carbohydrates. Only for the ff: •Lugol’s Test/ Iodine Test •Hydrolysis w/ Benedict’s Test •Hydrolysis w/ Iodine Test

Curren'S Math For Meds: Dosages & Sol
11th Edition
ISBN:9781305143531
Author:CURREN
Publisher:CURREN
Chapter10: Reconstitution Of Powdered Drugs
Section: Chapter Questions
Problem 7.2P
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Complete the table below regarding the different laboratory tests done for Carbohydrates. Only for the ff: •Lugol’s Test/ Iodine Test •Hydrolysis w/ Benedict’s Test •Hydrolysis w/ Iodine Test
Complete the table below regarding the different laboratory tests done for Carbohydrates.
Tests
Chemical Reagents Added
Molisch Test
a-naphthol
ethanol
Benedict's Test
Cu2+ cations (CuSO4.5H2O)
0.33M solution of copper
Barfoed's Test
acetate (Cu(OAc)2)
1% acetic acid
Moore's Test
Bial's Test
orcinol
Hydrochloric acid HCI
Ferric Chloride
- resorcinol
(m-hydroxybenzene)
N Hydrochloric acid HCI
Seliwanoff's Test
glacial acetic acid
mixture of phyenylhydrazine
Osazone Test
HCI and sodium acetate
Fehling's Test
- copper(II) sulphate CuSO4
- potassium sodium tartrate
(Rochelle salt) C₂H₂O6KNa 4H₂O
- sodium hydroxide NaOH
Tollen's Test
-ammoniacal silver nitrate
AgH N₂O3
Mucic Acid Test
concentrated nitric acid
Lugol's Test/
lodine Test
Hydrolysis w/
Benedict's Test
Hydrolysis w/
lodine Test
Positive Results/ Observations
(ex: color of solution, precipitate formation, etc)
(+) positive result, purple ring formation
(+) positive result, yellow-bright orange
solution
(+) positive result, formation of red precipitates
within 3 minutes (monosaccharides) & after 3
minutes (disaccharides)
(+) positive result, bluish-green color solution
(+) positive result, cherry red color solution
(+) positive result, formation of crystalline
structure/shape depending on type of reducing
sugar
(+) positive result, red color solution for
glucose and lactose
(+) positive result, silver mirror precipitate
(+) positive result, formation of crystals at the
bottom (presence of galactose or its
derivatives)
(+) positive result, red color solution for
glucose and lactose
(+) positive result, blue colored starch is
produced
Transcribed Image Text:Complete the table below regarding the different laboratory tests done for Carbohydrates. Tests Chemical Reagents Added Molisch Test a-naphthol ethanol Benedict's Test Cu2+ cations (CuSO4.5H2O) 0.33M solution of copper Barfoed's Test acetate (Cu(OAc)2) 1% acetic acid Moore's Test Bial's Test orcinol Hydrochloric acid HCI Ferric Chloride - resorcinol (m-hydroxybenzene) N Hydrochloric acid HCI Seliwanoff's Test glacial acetic acid mixture of phyenylhydrazine Osazone Test HCI and sodium acetate Fehling's Test - copper(II) sulphate CuSO4 - potassium sodium tartrate (Rochelle salt) C₂H₂O6KNa 4H₂O - sodium hydroxide NaOH Tollen's Test -ammoniacal silver nitrate AgH N₂O3 Mucic Acid Test concentrated nitric acid Lugol's Test/ lodine Test Hydrolysis w/ Benedict's Test Hydrolysis w/ lodine Test Positive Results/ Observations (ex: color of solution, precipitate formation, etc) (+) positive result, purple ring formation (+) positive result, yellow-bright orange solution (+) positive result, formation of red precipitates within 3 minutes (monosaccharides) & after 3 minutes (disaccharides) (+) positive result, bluish-green color solution (+) positive result, cherry red color solution (+) positive result, formation of crystalline structure/shape depending on type of reducing sugar (+) positive result, red color solution for glucose and lactose (+) positive result, silver mirror precipitate (+) positive result, formation of crystals at the bottom (presence of galactose or its derivatives) (+) positive result, red color solution for glucose and lactose (+) positive result, blue colored starch is produced
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