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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 6

  • question_answer
    \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-Cl\xrightarrow[KOH]{alc.}B\xrightarrow[{}]{HBr}C\xrightarrow[ether]{Na}D\]In the above sequence of reactions, the product D is -

    A) propane

    B) 2, 3-dimethylbutane

    C) hexane        

    D) allyl bromide

    Correct Answer: B

    Solution :

    \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-Cl\xrightarrow[KOH]{alc.}\underset{(B)}{\mathop{C{{H}_{3}}CH=C{{H}_{2}}}}\,\]\[\xrightarrow{HBr}C{{H}_{3}}-\underset{(C)}{\mathop{\overset{Br}{\mathop{\overset{|}{\mathop{C}}\,}}\,H}}\,-C{{H}_{3}}\xrightarrow[ether]{Na}\] \[\underset{(D)}{\mathop{C{{H}_{3}}\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,H-\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,HC{{H}_{3}}}}\,\]


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