Ethyl chloride reacts with sodium ethoxide to form a compound A. Which of the following reactions also yields A ?

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$\begin{array}{l} C_{2} H_{5} Cl, KOH (alc), Δ \end{array}$

$\begin{array}{l} 2 C_{2} H_{5} OH, conc. H_{2} {SO}_{4}, 140 ° C \end{array}$

$\begin{array}{l} C_{2} H_{5} Cl, Mg (dry ether) \end{array}$

$C_{2} H_{2}, dil. H_{2} {SO}_{4}, {HgSO}_{4}$

answer is B.

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Detailed Solution

Given data: It is given to find the reaction which yields A when Ethyl chloride reacts with sodium ethoxide to form a compound A.

Explanation:

$C_{2} H_{5} O H + H O C_{2} H_{5} \overset{H_{2} {SO}_{4}}{⟶} C_{2} H_{5} {OC}_{2} H_{5} + H_{2} O$

$C_{2} H_{5} C l + C_{2} H_{5} O^{⊝} N a^{\oplus \overset{}{\to}} C_{2} H_{5} O C_{2} H_{5} D i e t h y l e t h e r$

Hence, the correct option is option (B) $\begin{array}{l} 2 C_{2} H_{5} OH, conc. H_{2} {SO}_{4}, 140 ° C \end{array}$ .

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