Cyclohexene Reacts with Bromine to Yield 1,2-Dibromocyclohexane

question 148

Multiple Choice

Cyclohexene reacts with bromine to yield 1,2-dibromocyclohexane.Molecules of the product would:

• A)be a racemic form and,in their most stable conformation,they would have both bromine atoms equatorial.
• B)be a racemic form and,in their most stable conformation,they would have one bromine atom equatorial and one axial.
• C)be a meso compound and,in its most stable conformation,it would have both bromine atoms equatorial.
• D)be a meso compound and,in its most stable conformation,it would have one bromine atom equatorial and one axial.
• E)be a pair of diastereomers and,in their most stable conformation,one would have the bromines equatorial and axial,and the other would have the bromines equatorial and equatorial.

Distinguish between interfaces and classes, and understand the requirements for a class implementing an interface.

Recognize the role of the superclass Object in the Java class hierarchy and understand the purpose of the toString method.

Understand the concept of type checking and casting objects in Java.

Identify and differentiate between is-a and has-a relationships in object-oriented design.

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