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(A) $1$. The reaction of an alcohol with sodium metal produces sodium alkoxide and hydrogen gas: $2R-OH + 2Na \rightarrow 2R-ONa + H_2$. $2$. The dehy

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$C_2H_5OH$ and $C_2H_5ONa$

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(A) $1$. The reaction of an alcohol with sodium metal produces sodium alkoxide and hydrogen gas: $2R-OH + 2Na \rightarrow 2R-ONa + H_2$. $2$. The dehydration of ethanol with concentrated $H_2SO_4$ at $413 \ K$ yields diethyl ether: $2C_2H_5OH \xrightarrow{conc. H_2SO_4, 413 \ K} C_2H_5-O-C_2H_5 + H_2O$. $3$. Comparing this with the given information,$(A)$ is ethanol $(C_2H_5OH)$ and $(B)$ is sodium ethoxide $(C_2H_5ONa)$.

An organic compound $(A)$ reacts with sodium metal to form $(B)$. When $(A)$ is heated with concentrated $H_2SO_4$,it produces diethyl ether. What are $(A)$ and $(B)$ respectively?

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