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Question
What is the action of the following on ethyl bromide?
moist silver oxide
Chemical Equations/Structures
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Solution
When ethyl bromide is heated with moist silver oxide, it gives diethyl ether. Moist silver oxide releases hydroxide ions in low concentration as silver hydroxide is a weak base.
Due to the low concentration of hydroxide ions the probability of elimination reaction reduces. When the concentration is higher, it gives ethyl alcohol as the product.
\[\ce{2C2H5Br + Ag2O->C2H5 - O - C2H5 + 2AgBr}\]
\[\ce{Ag2O + H2O -> AgOH}\]
\[\ce{AgOH + 2C2H5OH -> \underset{Ethanol}{C2H5OH} + AgBr}\]
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