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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$2{H_2}O \rightleftharpoons {H_3}{O^ + } + O{H^ - }$ ,
the value of $\Delta {G^o}$ at $298\,K$ is approximately .......$kJ\,mol^{-1}$