CHM

I need the following questions answered in the next 45 minutes Thanks


Sucrose is hydrolyzed to what two monosaccharides?  
1.  glucose and fructose  
2.  glucose and galactose  
3.  galactose and fructose  
4.  glucose and maltose  



  Question 2    
   All chiral D-sugars rotate plane-polarized light  
1.  clockwise  
2.  counterclockwise  
3.  in a direction that cannot be predicted but must be experimentally determined  
4.  not at all as they are optically inactive  



  Question 3    
   Stereoisomeric aldohexoses that differ in configuration at only a single carbon are  
1.  epimers  
2.  meso  
3.  enantiomers  
4.  anomers  



  Question 4  
   When a monosaccharide reacts to give the pyranose form from its open-chain form, how many distinct pyranose forms are possible?  
1.  1  
2.  2  
3.  2n where "n" is the number of carbons present  
4.  4  



  Question 5    
   Cellulose and amylose are  
1.  1,4' linked polymers of D-glucose which differ in the stereochemistry of this linkage  
2.  1, 6' linked polymers of D-glucose which differ in the stereochemistry of this linkage.  
3.  synonyms of the only polymeric form of D-glucose  
4.  polymers of totally different monosaccharides