Question

what will be the product if bromobenzene is reacted with ethyl bromide and sodium in dry ether .Name the reaction​

Answer 1

Explanation:

Butane is formed when ethyl bromide is treated with sodium metal in dry ether. When sodium metals are reacted with alkyl bromides in the presence of dry ether, alkanes are produced. This reaction is called Wurtz reaction. Here, ethyl bromide () reacts with Na (in presence of dry ether).

Answer 2

Answer:

When bromobenzene is reacted with ethyl bromide and sodium in dry ether, the product is ethylbenzene, biphenyl and butane. The name of the given reaction is Wurtz reaction.

Explanation:

Wurtz reaction  is a method to form higher alkanes by a reaction of alkyl halides with metallic sodium in the presence of dry ether.

• The reaction of bromobenzene and ethyl bromide react with sodium in the presence of dry ether.

       C₆H₅Br  +  2Na  +   Br- C₂H₅  $\longrightarrow$    C₆H₅-C₂H₅   + 2NaBr

       C₆H₅Br  +  2Na  +    Br-H₅C₆    $\longrightarrow$  H₅C₆-C₆H₅   + 2NaBr

       C₂H₅-Br  +  2Na  +   Br- C₂H₅   $\longrightarrow$  C₂H₅-C₂H₅     + 2NaBr  

       The mixture of products ethylbenzene, biphenyl and butane and sodium bromide is obtained.

• The exchange of halogen and metal to form a carbon-carbon bond with the involvement of radical species.
• The general reaction:-  

        R-X  +  2Na  +  X-R  $\longrightarrow$    R-R +2NaX

• If two different of alkyl halides are used  then a combination of three alkanes will be obtained.

        R-X  +  2Na  +  X-R'  $\longrightarrow$    R-R' +2NaX

        R-X  +  2Na  +  X-R  $\longrightarrow$    R-R +2NaX

        R'-X  +  2Na  +  X-R'  $\longrightarrow$    R'-R' +2NaX

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