JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkyne

  • question_answer
    Which of the following will be the final product when \[{{C}_{2}}{{H}_{2}}\] reacts with HCl [DPMT 1984; AFMC 1982; Bihar MEE 1982]

    A) \[\underset{CHCl}{\mathop{\overset{CH\,\,\,\,\,}{\mathop{|\,|\,\,\,\,\,\,\,\,\,}}\,}}\,\]

    B) \[\underset{CHC{{l}_{2}}}{\mathop{\overset{C{{H}_{3}}\,\,\,\,}{\mathop{|\,\,\,\,\,\,\,\,\,\,}}\,}}\,\]

    C) \[\underset{CHCl}{\mathop{\overset{CHCl}{\mathop{|\,|\,\,\,\,\,\,\,\,}}\,}}\,\]

    D) None of these

    Correct Answer: B

    Solution :

               \[CH\equiv CH+HCl\to C{{H}_{2}}=CH-Cl\xrightarrow{HCl}\] \[\underset{\text{1}-\text{di}-\text{chloroethane}}{\mathop{C{{H}_{3}}-CH<\begin{matrix}    Cl  \\    Cl  \\ \end{matrix}}}\,\]


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