BVP Medical BVP Medical Solved Paper-2009

  • question_answer
    The reaction,\[C{{H}_{3}}C{{H}_{2}}Cl\xrightarrow[(ii)\,\,CuI]{(i)\,Li}\xrightarrow{C{{H}_{3}}C{{H}_{2}}Cl}\] n-butane  is known as

    A)  Wurtz synthesis

    B)  Corey-House synthesis

    C)  Kolbe synthesis

    D)  Friedel-Crafts synthesis

    Correct Answer: B

    Solution :

                    The reaction in which first, an alkyl halide reacts with lithium and \[CuI\] to give lithium dialkyl cuprate which on further reaction with alkyl halide, gives alkane, is known as Corey-House synthesis. \[C{{H}_{3}}C{{H}_{2}}Cl\xrightarrow[-LiCl]{Li}C{{H}_{3}}C{{H}_{2}}Li\xrightarrow{CuI}\]\[{{(C{{H}_{3}}C{{H}_{2}})}_{2}}CuLi\] \[\xrightarrow{C{{H}_{3}}C{{H}_{2}}Cl}\underset{n-bu\tan e}{\mathop{C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C{{H}_{3}}}}\,+C{{H}_{3}}C{{H}_{2}}Cu+LiCl\]


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