Which one of the following compounds usually smells like garlic?
Correct answer: A. P2O3 (diphosphorus trioxide)
- A. P2O3 (diphosphorus trioxide)
- B. P2O5 (diphosphorus pentoxide)
- C. H3PO3 (phosphorous acid)
- D. All of the same smell
Explanation
P2O3 has a characteristic garlic-like odor due to the presence of phosphorus hydrides (phosphines) within its structure. These phosphines contribute to the distinct smell.
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About s-Block and p-Block Elements
The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.
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