Carbohydrates Practical Quiz 2018-2019 PDF

Summary

This document is a practical quiz on carbohydrates, including questions regarding identification of carbohydrates through various chemical tests like the Molisch, Anthrone, Barfoed, Seliwanoff, Bial's, and Benedict's tests. It covers different types and properties of carbohydrates.

Full Transcript

same_ TT 5 I E that soluble water Ribose Mwf disacaride bond...

same_ TT 5 I E that soluble water Ribose Mwf disacaride bond covalent sugar double a 20 Muf In Lose partaincose fibers g lucose fructose some plans e Tollen silver Fehling Benedict reddishcuprousoxide To Hexone purple f e def f within 2min 0 I a it iii iEii i Mucicacid aa lactose nitricacid test Seliwanoff's Fructose the MA insoluble galactose MA e a lactose Wx 6d Nitin ox to ion Galactose cupric cuprousion rico a fructose sucrose Juan orcinol Fets Dials I won TBb bluegreen purple O ! glucostgalotose fetose a a amore ketone a a 2 Hasty o o Bials o test pentoses s furfurals Bluishproduct ! N Bendict J reagent I nitrixacid Cho product good ____ lactose galactose naitarif MA lactose reagent It Cuz0 cupras ox id EE S coat cuprousoxide Britredppt Oligo SulM I Bear Carbohydrates “ practical Quiz 2018-2019 “ and xyloArabinGalausedthe FruGlu O 1- gum is a. Homopolysaccharide 81 9,4 wait Idiom b. Hetopolysaccharide ✅ c. Oligosaccharide HeteroD d. Monosaccharide Hetero I or 2- Which of the following is polysaccharide a. Glucose b. GalactoseTRE se a c. Inulin ✅ d. Maltose pi 3- Reducing sugar is oxidized by e a. Tollen’s reagent ✅ b. Sodium chloride copper ion coppric ion I c. Sodium carbonate Bendict d. Sodium citrate e. Couprus ion product 4- which test is used for identification of pentoses a. Bial’s test ✅ Dial 5- Mucic test is used for a. Lactose ✅ galactose D a pentoses Fet Fe notFe or fest GET Agt a t Identification of carbs l MOLISCH TEST ANTHRONE TEST Hzsou carb furfural HzSou Carb An throne furfural ta naphthol purple ring blue green color MS 2 Identification of monosaccharides Barfoed's test oxide cugmtjoype.TL Reducing I t Zo out 2420 oxidizingagent carboxylic acid Takes 3 min for Ms 1disaccharides takes longer 3 Identification of ketoses seliwanoff test ketohexoses seliwanoff reagent furfural dervitive Furfural Resorcinol Red product ketohexoses takes 2 min aldo hexose takes longer time 4 Identifi on of pentoses Bi al's test pentose Hz soy Furfural Furfural orcinol Fe bliush product 5 Identification of reducing suger a Benedict's test Sol of sodium citrateofsodium carbonate mixed w Sol of coppersulfate I jog Fudge 2Cee son ago gyp alklaine cand carboxylic copperoxide reddishppt acid b Fehling's test reducing agentSuger oxidizing agent cupric ion w tartrate ion H t R 2 4 OH R OOH Enzo 2h20 q Redppl ofcuprous oxide 6 specific tests for galactose Mucic Acid tests MS Nitric acid solvable dicarboxylic acid Coxidizing agent oxidationof galactose flactose insolvable mucic acid b cuz ofthe hydrolysis of glycosidic linkage between glucose f galactose cits subunits

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