Which element forms long chains alternating with oxygen?
Correct answer: A. Carbon.
- A. Carbon.
- B. Nitrogen.
- C. Silicon.
- D. All of these.
Explanation
a) Carbon: This is the correct option. Carbon is the element that forms long chains alternating with oxygen. One of the most well-known examples of this is carbohydrates, where carbon atoms form long chains or rings that alternate with oxygen atoms. Carbohydrates are essential biomolecules and include sugars, starches, and cellulose.
This question appeared on the UHS MDCAT 2008 paper, which you can sit online with every answer explained.
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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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