Examlex
Which of these pairings is correct?
Propanoic Acid
A naturally occurring organic compound with the formula C2H5COOH, used in the manufacture of various plastics and preservatives.
Line Structure
A simplified representation of a chemical structure using lines to denote chemical bonds and avoiding explicit representation of carbon and hydrogen atoms.
Butanoic Acid
A carboxylic acid with the formula C4H8O2, also known as butyric acid, with a characteristic unpleasant smell, used in the manufacturing of various esters.
Propanoic Acid
A naturally occurring carboxylic acid with the formula C3H6O2, commonly used as a food preservative.
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