Which of the following is metasilicic acid ?
Correct answer: B. H2SiO3
- A. H2SnO3
- B. H2SiO3
- C. H3AsO4
- D. H3SbO4
Explanation
Metasilicic acid has the formula H2SiO3, commonly represented as SiO(OH)2, whereas orthosilicic acid is H4SiO4. Students often choose H2SnO3 because tin is below silicon in Group 14, but the prefix meta identifies the silicic acid formula H2SiO3 here.
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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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