MCQ
A cyclic skeleton of silicon and oxygen can constructed by the silicate ion composition
- A$Si_2O_7^{4-}$
- B$Si_2O_5^{2-}$
- ✓$SiO_3^{2-}$
- D$SiO_4^{4-}$
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Reason : Benzene is a solvent for the Friedel- Craft's alkylation of bromobenzene.