An Ethyl Group (CH₃CH₂^-) That Is Attached to a Substituent

question 58

Multiple Choice

An ethyl group (CH₃CH₂^-) that is attached to a substituent that does not contain a hydrogen atom appears as what in a NMR spectrum?

• A) a triplet and a quartet with relative intensities of 3 and 2, respectively
• B) a triplet and a quartet with relative intensities of 2 and 3, respectively
• C) a doublet and a triplet with relative intensities of 2 and 3, respectively
• D) a doublet and a triplet with relative intensities of 3 and 2, respectively
• E) none of these

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Definitions:

Price

The amount of money required to purchase a good, service, or asset.

AVC

Average Variable Cost represents the variable costs (like materials and labor) associated with producing each unit of output.

ATC

Average Total Cost, the total cost of production divided by the quantity of output produced, encompassing both fixed and variable costs.

MC

Short for Marginal Cost, it refers to the change in total cost that arises when the quantity produced is incremented by one unit.