JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkene

  • question_answer
    A gas formed by the action of alcoholic KOH on ethyl iodide, decolourises alkaline\[KMn{{O}_{4}}\]. The gas is [KCET 2003]

    A) \[{{C}_{2}}{{H}_{6}}\]

    B) \[C{{H}_{4}}\]

    C) \[{{C}_{2}}{{H}_{2}}\]

    D) \[{{C}_{2}}{{H}_{4}}\]

    Correct Answer: D

    Solution :

      \[{{C}_{2}}{{H}_{5}}I+alc.KOH\to {{C}_{2}}{{H}_{4}}+KI+{{H}_{2}}O\]


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