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Chapter 13: Q.13.63 (page 467)

Identify each of the following pairs of Fischer projections as enantiomers or identical compounds: (13.2,13.3)

Short Answer

Expert verified

Part (a) :

Part (b)

Part (c)

Part (d)

Step by step solution

01

introduction (Part a)

  • Enantiomers are nonoverlayable mirror images of one another, mostly molecules containing asymmetrical carbon atoms.
02

Identify each of the following pairs of Fischer projections as enantiomers or identical compounds: (Part a)

  • If there is Chiral C in molecule then the mirror image of the molecule is note identical to each other but enantiomers
  • No Chiral C so these mirror images are identical

03

Step 3:  b) Identify each of the following pairs of Fischer projections as enantiomers or identical compounds:

  • If there is Chiral C in molecule then the mirror image of the molecule is note identical to each other but enantiomers
  • (Chiral C is C which is attached to four different groups)
  • Chiral C present so these mirror images are Enantiomers

04

c) Identify each of the following pairs of Fischer projections as enantiomers or identical compounds:

  • If a molecule contains Chiral C, the mirror image is not identical to each other, but enantiomers are (Chiral C is C which is attached to four different groups)
  • These mirror images are Enantiomers since Chiral C is present.

05

d) Identify each of the following pairs of Fischer projections as enantiomers or identical compounds:

  • If there is Chiral C in molecule then the mirror image of the molecule is note identical to each other but enantiomers
  • No Chiral C so these mirror images are identical

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Most popular questions from this chapter

Identify the disaccharide that fits each of the following descriptions:

a. not a reducing sugar

b. composed of two glucose units

c. also called milk sugar

d. hydrolysis gives glucose and fructose

Identify each of the following structures as chiral or achiral. If chiral, indicate the chiral carbon.

For each of the following, give the monosaccharide units produced by hydrolysis, the type of glycosidic bond, and the name of the disaccharide including αor β:

Raffinose, found in Australian manna and in cottonseed meal, has the following Haworth structure:

(13.4,13.5,13.6)

a. Is raffinose a mono-, di-, or trisaccharide?

b. What monosaccharides are present in raffinose?

c. Is raffinose a reducing sugar?

Identify each of the following structures as chiral or achiral. If chiral, indicate the chiral carbon.
See all solutions

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