JEE Main & Advanced Sample Paper JEE Main Sample Paper-15

  • question_answer
    \[\text{C}{{\text{H}}_{\text{3}}}\text{-}\overset{\begin{smallmatrix}  \text{O} \\  \text{ }\!\!|\!\!\text{  }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}\,\text{-C}{{\text{H}}_{\text{3}}}\xrightarrow[{}]{\text{C}{{\text{H}}_{\text{2}}}{{\text{N}}_{\text{2}}}}\text{(X)}\] \[\xrightarrow[\Delta ]{\text{C}{{\text{F}}_{\text{2}}}\text{C}{{\text{O}}_{\text{3}}}\text{H}}\text{(Y)}\](Major ) Product (Y) is

    A) \[\text{C}{{\text{H}}_{\text{3}}}\text{-}\overset{\begin{smallmatrix}  \text{O} \\  \text{ }\!\!|\!\!\text{  }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}\,\text{-O-C}{{\text{H}}_{\text{3}}}\]    

    B)  \[\text{C}{{\text{H}}_{\text{3}}}\text{-}\overset{\begin{smallmatrix}  \text{O} \\  \text{ }\!\!|\!\!\text{  }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}\,\text{-O-C}{{\text{H}}_{2}}\text{-C}{{\text{H}}_{\text{3}}}\]

    C) \[\text{C}{{\text{H}}_{\text{3}}}\text{-C}{{\text{H}}_{\text{2}}}\text{-}\overset{\begin{smallmatrix}  \text{O} \\  \text{ }\!\!|\!\!\text{  }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}\,\text{-O-C}{{\text{H}}_{\text{3}}}\]

    D) \[\text{C}{{\text{H}}_{\text{3}}}\text{-C}{{\text{H}}_{\text{2}}}\text{-C}{{\text{H}}_{\text{2}}}\text{-O-C}{{\text{H}}_{\text{3}}}\]

    Correct Answer: B

    Solution :

    2 \[\text{C}{{\text{H}}_{\text{3}}}\text{-}\overset{\begin{smallmatrix}  \text{O} \\  \text{ }\!\!|\!\!\text{  }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}\,\text{-C}{{\text{H}}_{\text{3}}}\xrightarrow[{}]{\text{C}{{\text{H}}_{\text{2}}}{{\text{N}}_{\text{2}}}}\text{C}{{\text{H}}_{\text{3}}}\text{-}\overset{\begin{smallmatrix}  \text{O} \\  \text{ }\!\!|\!\!\text{  }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}\,\text{-C}{{\text{H}}_{\text{2}}}\text{C}{{\text{H}}_{\text{3}}}\xrightarrow[{}]{\text{C}{{\text{F}}_{\text{3}}}\text{C}{{\text{O}}_{\text{3}}}\text{H}}\]\[\text{C}{{\text{H}}_{\text{3}}}\text{-}\overset{\begin{smallmatrix}  \text{O} \\  \text{ }\!\!|\!\!\text{  }\!\!|\!\!\text{ } \end{smallmatrix}}{\mathop{\text{C}}}\,\text{-OC}{{\text{H}}_{2}}\text{C}{{\text{H}}_{\text{3}}}(\text{Major})\]


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