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:

Germinal Center

Specialized zones within lymph nodes or the spleen where mature B cells proliferate, differentiate, and mutate their antibody genes during an immune response.

Capsule

An outer covering or layer, often referring to the fibrous covering over certain organs or structures.

Red Pulp

The portion of the spleen involved in filtering blood and removing old or damaged red blood cells.

Lymphocytes

A type of white blood cell that is part of the immune system, involved in protecting the body against both infectious disease and foreign invaders.