RAJASTHAN PMT Rajasthan - PMT Solved Paper-2008

  • question_answer
    Which of the following can give a Grignard reagent when reacted with magnesium in dry ether?

    A) \[{{C}_{2}}{{H}_{6}}\]                    

    B)        \[{{C}_{2}}{{H}_{5}}Cl\]

    C)        \[{{C}_{2}}{{H}_{5}}OH\]                              

    D)        \[{{C}_{2}}{{H}_{5}}CN\]

    Correct Answer: B

    Solution :

    \[{{C}_{2}}{{H}_{5}}Cl\] can give Grignard reagent when reacted with \[Mg\] in dry ether.                 \[RX+Mg(dry)\xrightarrow{Dry\,\,ether}RMgX\]                                         ethyl magnesium chloride


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