
Concept explainers
Interpretation:
The smell of formic acid, CH2O2 needs to be predicted.
Concept introduction:
Compounds have chemical and physical properties which help us to identify them. A physical property is a characteristic which can be predicted by physically examining the substance.

Answer to Problem 1STP
(D) Putrid.
Explanation of Solution
Formic acid is a colorless liquid and has a pungent odor at room temperature. It is soluble in most polar organic solvents.
The chemical composition is HCOOH. It is a vital intermediate in chemical synthesis and found naturally, most especially in some ants. Formic acid is an organic compound and they generally smell putrid.
Thus, the smell in formic acid is putrid.
Chapter U2 Solutions
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