NEET Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स Question Bank Self Evaluation Test - Haloalkanes and Haloarenes

  • question_answer
    In the following sequence of reactions \[\underset{A}{\mathop{C{{H}_{3}}C{{H}_{2}}I}}\,\xrightarrow[ether]{Mg}B\xrightarrow{HCHO}C\xrightarrow{{{H}_{2}}O}D\] the compound D is

    A) propanal           

    B) butanal

    C) n-butyl alcohol  

    D) n-propyl alcohol

    Correct Answer: D

    Solution :

    [d] \[\underset{(A)}{\mathop{C{{H}_{3}}C{{H}_{2}}I}}\,\xrightarrow[Ether]{Mg}\underset{(B)}{\mathop{C{{H}_{3}}C{{H}_{2}}MgI}}\,\xrightarrow{HCHO}\]  \[\underset{(C)}{\mathop{H-\underset{H}{\mathop{\underset{|}{\mathop{\overset{C{{H}_{2}}C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-OMgI}}\,\xrightarrow{{{H}_{2}}O}\underset{n-\operatorname{Propyl}\,\,alcohol}{\mathop{\underset{(D)}{\mathop{H-\underset{H}{\mathop{\underset{|}{\mathop{\overset{C{{H}_{2}}C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-OH}}\,}}\,\]


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