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(A) The reaction of ethanol $(A)$ with sodium metal produces sodium ethoxide $(B)$ and hydrogen gas:$2C_2H_5OH + 2Na \rightarrow 2C_2H_5ONa + H_2$When

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$C_2H_5OH$ and $C_2H_5ONa$

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(A) The reaction of ethanol $(A)$ with sodium metal produces sodium ethoxide $(B)$ and hydrogen gas:$2C_2H_5OH + 2Na \rightarrow 2C_2H_5ONa + H_2$When ethanol $(A)$ is heated with concentrated $H_2SO_4$ at $413 \ K$,it undergoes intermolecular dehydration to form diethyl ether:$2C_2H_5OH \xrightarrow{conc. H_2SO_4, 413 \ K} C_2H_5-O-C_2H_5 + H_2O$Thus,$(A)$ is $C_2H_5OH$ and $(B)$ is $C_2H_5ONa$.

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

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