JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkane

  • question_answer
    \[C{{H}_{4}}\] is formed when [AFMC 1987]

    A) Sodium acetate is heated with sodalime

    B) Iodomethane is reduced

    C) Aluminium carbide reacts with water

    D) All of these

    Correct Answer: D

    Solution :

    \[\underset{\text{Sod}\text{.}\,\text{acetate}}{\mathop{C{{H}_{3}}COONa}}\,+NaOH\xrightarrow{CaO}C{{H}_{4}}+N{{a}_{2}}C{{O}_{3}}\]            \[\underset{\text{Iodomethane}}{\mathop{C{{H}_{3}}I}}\,+2H\xrightarrow[\operatorname{Re}duction]{}C{{H}_{4}}+HI\] \[\underset{\text{Aluminium}\,\text{carbide}}{\mathop{A{{l}_{4}}{{C}_{3}}+6{{H}_{2}}O}}\,\to 3C{{H}_{4}}+2A{{l}_{2}}{{O}_{3}}\]


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