CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2006

  • question_answer
    The reaction \[{{C}_{2}}{{H}_{5}}ONa+{{C}_{2}}{{H}_{5}}I\to \]\[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}\] \[+NaI\] is known as :

    A)  Kolbes synthesis

    B)  Wurtzs synthesis

    C)  Williamsons synthesis

    D)  Grignards synthesis

    Correct Answer: C

    Solution :

    Williamsons synthesis: It involves the heating of alkyl halide with sodium or potassium alkoxides. This reaction is used for the preparation of ethers e.g.,\[{{C}_{2}}{{H}_{5}}ONa+{{C}_{2}}{{H}_{5}}I\xrightarrow{{}}\]\[{{C}_{2}}{{H}_{5}}\xrightarrow{{}}O{{C}_{2}}{{H}_{5}}+NaI\]


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