RAJASTHAN ­ PET Rajasthan PET Solved Paper-2008

  • question_answer
    Acetylene reacts with\[HCN\]in the presence of \[Ba{{(CN)}_{2}}\]to give

    A)  vinyl cyanide

    B)  1,1-dicyano ethane

    C)  1,2-dicyano ethane

    D)  None of the above

    Correct Answer: A

    Solution :

     Acetylene reacts with\[HCN\]in the presence of \[Ba{{(CN)}_{2}}\]to given cyanide. \[CH\equiv CH+HCN\xrightarrow[{}]{Ba{{(CN)}_{2}}}\underset{vinyl\text{ }cyanide}{\mathop{C{{H}_{2}}=CHCN}}\,\]


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