When isobutyl magnesium bromide in dry ether | vedclass

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Question

(C) Grignard reagents $(R-MgX)$ act as strong bases and react with compounds containing active hydrogen atoms (such as alcohols,$R'-OH$) to form alkan

Vedclass · Accepted Answer

$CH_3-CH(CH_3)-CH_3$ and $CH_3-CH_2-OMgBr$

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(C) Grignard reagents $(R-MgX)$ act as strong bases and react with compounds containing active hydrogen atoms (such as alcohols,$R'-OH$) to form alkanes $(R-H)$. In this reaction,the isobutyl group $(CH_3-CH(CH_3)-CH_2^-)$ from the Grignard reagent abstracts the acidic proton from the ethyl alcohol to form isobutane $(CH_3-CH(CH_3)-CH_3)$. The reaction is: $CH_3-CH(CH_3)-CH_2-MgBr + CH_3-CH_2-OH \rightarrow CH_3-CH(CH_3)-CH_3 + CH_3-CH_2-OMgBr$.

When isobutyl magnesium bromide in dry ether is treated with absolute ethyl alcohol,the products formed are

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