Redox and Equivalent ConceptMedium
Question
Which of the following reaction is non-redox?
Options
A.$2NaNO_{3} + 2NaNO_{2} + O_{2}$
B.$CaO + SiO_{2} \rightarrow CaSiO_{3}$
C.$Fe + H_{2}SO_{4} \rightarrow FeSO_{4} + H_{2}$
D.$4Ag + 8CN^{-} + O_{2} + 2H_{2}O \rightarrow 4\left\lbrack Ag(CN)_{2} \right\rbrack^{-} + 4OH^{-}$
Solution
$\underset{\text{Base}}{CaO} + \underset{\text{Acid}}{\overset{+ 4}{Si}O_{2}} \rightarrow \underset{\text{Salt}}{Ca\overset{+ 4}{Si}O_{3}}$
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