Which of the Following Would Constitute a Pair of Enantiomers

question 27

Multiple Choice

Which of the following would constitute a pair of enantiomers?

• A) staggered and eclipsed forms of ethane
• B) cis and trans-2-butene
• C) meso- and (2R,3R)-2,3-dibromobutane
• D) (2R,3R) and (2S,3S)-tartaric acid
• E) none of these

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Definitions:

Contribution Margin

The amount of revenue from sales that exceeds variable costs, contributing to covering fixed costs and generating profit.

Operating Income

The profit realized from a business's operations, calculated by subtracting operating expenses from gross profit.

Absorption Costing

An approach to pricing that incorporates all production-related costs such as direct materials, direct labor, along with variable and fixed overhead expenses, into the product’s cost.

Variable Costing

An accounting method that includes only variable production costs (costs that vary with output) in product costs, while fixed costs are charged to the period they occur.