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(D) The most suitable method to remove trace amounts of water from ethanol is by reacting it with $Mg$ metal. $Mg$ reacts with water to form $MgO$ and

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Reacting with $Mg$

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(D) The most suitable method to remove trace amounts of water from ethanol is by reacting it with $Mg$ metal. $Mg$ reacts with water to form $MgO$ and $H_2$ gas,while it does not react with pure ethanol under these conditions. The reaction is: $Mg + H_2O \rightarrow MgO + H_2$. This process is commonly used to prepare absolute alcohol.

Which of the following is the most suitable method to remove trace amounts of water from ethanol?

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