
Introduction:
Isomers are responsible for the variations that occur in the architecture of organic molecules. These isomers are the ones that have same number of atoms, but different structures and different property as well. Isomers are of 3 types; cis-trans, structural and enantiomers.

Answer to Problem 1TYU
Correct answer:
The relationship between the two sugar molecules is that they are structural isomers.
Therefore, option (A) is correct.
Explanation of Solution
Reason for the correct statement:
Structural isomers are the ones that differ in their covalent arrangement of atoms. These types of isomers can even differ in the location of their double bonds. The given 2 structures have different
Option (A) is given as “structural isomers”.
The “relationship between the two sugar molecules is that they are structural isomers”, it is the right answer.
Hence, the option (A) is correct.
Reasons for the incorrect statements:
Option (B) is given as “cis-trans isomers”.
The two structures are not cis-trans isomers as in this type of isomers the carbons possess covalent bonds to the same atom, however their special arrangements differ. So, it is a wrong answer.
Option (C) is given as “enantiomers”.
The two structures are not enantiomers as in this type; the isomers form mirror images of each other. So, it is a wrong answer.
Option (D) is given as “isotopes”.
The two structures are not isotopes as the isotopes of any chemical element differ in its neutrons number. So, it is a wrong answer.
Hence, options (B), (C), and (D) are incorrect.
The relationship between the two sugar molecules is that they are structural isomers.
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Chapter 3 Solutions
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