When completely dry silver oxide () reacts to completion with an excess of ethyl bromide () under he — Alcohols Phenols and Ethers Chemistry Question
Question
When completely dry silver oxide ($Ag_2O$) reacts to completion with an excess of ethyl bromide ($C_2H_5Br$) under heating, exactly $1 \text{ mole}$ of the symmetric ether product is formed. How many moles of silver bromide ($AgBr$) precipitate are concurrently generated?
Answer: 2
💡 Solution & Explanation
The balanced chemical equation is $2 C_2H_5Br + Ag_2O \xrightarrow{\Delta} C_2H_5-O-C_2H_5 + 2 AgBr \downarrow$. For every one mole of the dialkyl ether formed, the two displaced bromide ions react with the two silver ions from the oxide, precipitating exactly 2 moles of $AgBr$.
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