Al2F2SiO4 is named as:
Correct answer: A. Gibbsite
- A. Gibbsite
- B. Emerald
- C. Bauxite
- D. Cryolite
Explanation
a) Gibbsite: Gibbsite is a mineral composed of aluminum hydroxide (Al(OH)3). It is not the same as Al2F2SiO4.
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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