Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2005

  • question_answer
    The reaction between an Alkyl halide and sodium metal in dry ether is called

    A)  Clemmensen reduction

    B)  Kolbe's reaction

    C)  Wurtz reaction

    D)  Cannizaro's reaction

    Correct Answer: C

    Solution :

    Correct answer is Wurtz reaction. An etheral solution of an alkyi halide is treated with odium metal. \[{{R}_{1}}X+2Na+X{{R}_{2}}\xrightarrow{Ether}{{R}_{1}}-{{R}_{2}}+2NaX\] where,  \[X=Cl,\] \[Br\] \[R=-C{{H}_{3}},\] \[-{{C}_{2}}{{H}_{5}}\]etc \[C{{H}_{3}}Cl+2Na+C{{H}_{3}}Cl\xrightarrow{Ether}{{C}_{2}}{{H}_{6}}+2NaCl\] Alkane are obtained by Wurtz reaction but methane cannot be obtained by Wuitz reaction.


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