BVP Medical BVP Medical Solved Paper-2011

  • question_answer
    2-ethoxy propane can be obtained by heating ethyl bromide with

    A)  sodium iso-propoxide

    B)  sodium n-propoxide

    C)  150-propyl bromide

    D)  n-propyl bromide

    Correct Answer: A

    Solution :

                    \[\underset{\begin{smallmatrix}  ethyl \\  bromide \end{smallmatrix}}{\mathop{{{C}_{2}}{{H}_{5}}Br}}\,+\underset{sodium\,iso-propoxide}{\mathop{C{{H}_{3}}-\underset{\underline{O}\,{{N}^{a}}^{^{+}}}{\mathop{\underset{|}{\mathop{CH}}\,}}\,-C{{H}_{3}}\xrightarrow{\Delta }}}\,\] \[\underset{2-ethoxy\,propane}{\mathop{\overset{H}{\mathop{\overset{|}{\mathop{\underset{O-{{C}_{2}}{{H}_{5}}}{\mathop{\underset{|}{\mathop{C{{H}_{3}}-C-C{{H}_{3}}+NaBr}}\,}}\,}}\,}}\,}}\,\]


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