Which Compound Has the Lowest PKa

question 103

Multiple Choice

Which compound has the lowest pKa?

• A)(CH₃CH₂O₂C)₂CH₂
• B)CH₃CH₂O₂CCH₂CHO
• C)CH₃CH₂COCH₂CHO
• D)PhCOCH₂COCH₃
• E)(NC)₂CH₂

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Definitions:

Hydrocarbons

Organic compounds consisting entirely of hydrogen and carbon, found in fossil fuels and as a major component of petroleum and natural gas.

Low-Quality Energy

Energy that is dispersed and difficult to gather for useful work, such as heat energy at a low temperature.

Uranium-235

An isotope of uranium that is fissile, meaning it can sustain a nuclear chain reaction, used as fuel in nuclear reactors and weapons.

Conservation of Matter

A scientific law stating that matter cannot be created or destroyed in an isolated system, only transformed.