Distinguishing Different Formulas

Problem 1.
Examine the following formulas and select those pairs that satisfy the following conditions:
Be sure to enter two letters (and only two) in each answer box, unless you select F. In the second and third parts more than one answer is possible.

A
 B
 C
 D
 E
 F
No formulas meet the
designated condition.

Which are identical in all respects? ...  
Which are conformational isomers? ..
Which are constitutional isomers? ....

              

Problem 2.
Examine the following formulas and select those pairs that satisfy the following conditions:
Be sure to enter two letters (and only two) in each answer box. In the second and fourth parts more than one answer is possible.

A
 B
 C
 D
 E
 F

Which are identical in all respects? ....  
Which are configurational isomers? ...
Which are conformational isomers? ...
Which are constitutional isomers? .....

              

This script written by William Reusch, Dept. of Chemistry, Michigan State University. Please send comments and corrections to whreusch@pilot.msu.edu.