How many ester bond linkages are in the following compound? 1 2 3 4 0 What compo

Question

How many ester bond linkages are in the following compound? 1 2 3 4 0 What compound is required to produce the following substance by a Claisen condensation? methyl ethanoate methyl propanoate ethyl ethanoate ethyl propanoate none of the above is correct Assign the I.U.P.A.C. name for the following compound. ethylpentanamide N-diethylpentanamide N- ethylpentanamide N,N- ethylpentanamide Which of the structures is/are cnantiomers of compound ? Which of the structures are diasteriomers of compound ? Maltose consists of which is linked to glucose, alpha (1 rightarrow 4), glucose beta (1 rightarrow 4),glucose glucose alpha (1 rightarrow 4),glucose glucose beta (1 rightarrow 4),glucose glucose alpha (1 rightarrow 4),glucose Which of the structures are reducing sugars ? none of the above is correct Which of the following substances are polysaccharides cellulose starch sugar nylon Glucose is a(n) aldoketose aldohexose ketohexose aldopentose ketopentose Which kind of enzyme catalyzes the conversion of glucose-6-phosphate to rructose-6-phosphate during glycolysis? Oxidoreductase transferase lygase isomerase

Explanation / Answer

The solutions to the problems are as below,

25) b. 2 (two OR linkages)

26) d. Ethylpropanoate

27) c. N-ethylpentanamide

33) c. iv

34) e. II and IV

38) c. glucose, alpha(1--->4), glucose

39) Reducing sugars must have an aldehyde group in it, since I and II are reducing sugars here, the correct answer is

c. none of the above is correct

40) a. and b.

41) b. Aldohexose   

42) d. isomerase

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