Home
Class 12
CHEMISTRY
Starch on enzymatic hydrolysis by diasta...

Starch on enzymatic hydrolysis by diastase gives a reducing disaccharide ‘A’ which undergoes hydrolysis by enzyme maltase to form ‘B’ which is also a reducing sugar. 1. Identify the compound ‘A’ and ‘B’ with suitable chemical equations. 2. Explain the term reducing sugar.

Text Solution

Verified by Experts

a) Compoand 'A' - Maltose Compound B - Glucose FIGURE b) 'Al' carbohydrates hydicor ketonicyroup reduce Tollen's and Fchlings solution and are called reducing sugars. Eg: Glucose, Fructase.
Promotional Banner

Topper's Solved these Questions

  • AMINES

    V PUBLICATION|Exercise QUESTION BANK|90 Videos
  • CHEMICAL KINETICS

    V PUBLICATION|Exercise Question Bank|171 Videos

Similar Questions

Explore conceptually related problems

Disaccharides give two molecules of the same or different monosaccharide on hydrolysis. Why is sucrose a non-reducing sugar ?

a) Name the ore of Iron? b) Which reduces lon from iron oxide in the blast furnace? c) Write the chemical equation for the reduction of iron.

An organic compound A reacts with metalic sodium in ether medium to form ethane. A also reacts with magnesium in ether medium to give B, which on hydrolysis gives methane. Identify A and B. Write down the chemical equation involved.

A compound A reacts with thionyl chloride to give compound B. B reacts with magnesium in ether medium to form a Grignard reagent which is treated with acetone and the product on hydrolysis givesIdentify A and B. Write down the chemical equations for the reactions involved.

Some information regardirg a particular, compound is given below. i) A deep.purple black crystal which' is moderately soluble in water at room temperature and it is prepared from pyrolusite a) İdentify the compound b) Give the chemical reactions involved in the preparation of,this compound - c) Upon heating to 746 K, what happens to this compound? Give the equation

A ketone (A) which undergoes halaform reaction gives compound (B) an reduction. (B) on heating with H_2 SO_4 gives (C) which forms monoozonide (D). (D) on hydrolysis in presence of zinc -dust gives only accetaldehyde. Identify (A) (B) and (C). Write the reactions invoived.

An organic compound A reacts with CH_3MgI to form an addition product which on hydrolysis forms the compound B. Compound B gives blue coloured salt in Vịctor Meyer's test. The compounds A and B respectively are : Acetaldelyde. tertiary butyl atcohol, Acetaldehyde, ethyl alcohol, Acetaldehyde, isopropylalcohol, Acetone, isopropyl alcohol