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JEE Main & Advanced Sample Paper JEE Main Sample Paper-40

  • question_answer
    A and B in the reaction,\[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Cl\xrightarrow[ether]{Mg}A\xrightarrow[2.{{H}_{3}}{{O}^{+}}]{1.HCHO}B\]

    A) \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}MgCl,C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}OH\]

    B)

    C)

    D) \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}MgCl,C{{H}_{3}}C{{H}_{2}}OC{{H}_{2}}C{{H}_{3}}\]

    Correct Answer: A

    Solution :

    [a] \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Cl\xrightarrow[ether]{Mg}\underset{Grignard\,reagent}{\mathop{C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}MgCl}}\,\]\[\xrightarrow[(2){{H}_{3}}{{O}^{+}}]{(1)\,HCHO}\underset{\Pr imary\,alcohol}{\mathop{C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}}}\,-C{{H}_{2}}-OH\]


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