An IR Spectrum of an Unknown Organic Molecule Having the Formula

question 33

Multiple Choice

An IR spectrum of an unknown organic molecule having the formula C₂H₄O reveals a strong absorption at 1715-1725 cm^-1.To what class of compounds does the unknown belong?

• A) alcohol
• B) amine
• C) aldehyde
• D) alkyne
• E) ether

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Definitions:

Unit Contribution Margin

The difference between the selling price per unit and the variable cost per unit, showing how much each unit contributes to covering fixed costs and generating profit.

Fixed Costs

Costs that do not vary with the level of production or sales, such as rent, salaries, and insurance premiums.

Contribution Margin Ratio

A measurement that shows how much of a company's revenue is available to cover fixed expenses and generate profit after variable costs are covered.

Fixed Costs

Expenses that do not change with the level of goods or services produced by a business, such as rent, salaries, and insurance premiums.