Which one of the following compounds usually smells like garlic ?
Correct answer: A. P2O3
- A. P2O3
- B. P2O5
- C. H3PO3
- D. All have same smell
Explanation
P2O3, more accurately written as P4O6, has a garlic-like odour because it is a volatile phosphorus(III) oxide. P2O5 is the likely wrong choice because it is a non-volatile acidic oxide and does not have the characteristic garlic smell.
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About Reactions of Group IV Elements
Group IV, or Group 14, chemistry covers the trends from carbon and silicon to tin and lead, including their reactions with oxygen, halogens, water, acids and alkalis. It also examines the structures and properties of their oxides and chlorides, oxidation states, and the inert pair effect, rather than treating all members as equally metallic.
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