MGIMS WARDHA MGIMS WARDHA Solved Paper-2003

  • question_answer
    The product obtained, heating ethanol with cone.\[{{H}_{2}}S{{O}_{4}}\]at\[165{}^\circ -170{}^\circ C,\]is:

    A)  \[{{({{C}_{2}}{{H}_{5}})}_{2}}S{{O}_{4}}\]

    B)  \[C{{H}_{2}}=C{{H}_{2}}\]

    C)  \[C{{H}_{3}}COOH\]

    D)  \[{{C}_{2}}{{H}_{5}}HS{{O}_{4}}\]

    Correct Answer: B

    Solution :

                     Ethyl alcohol, on heating at\[165{}^\circ -170{}^\circ C\]with cone.\[{{N}_{2}}S{{O}_{4}},\]gives ethylene. \[{{C}_{2}}{{H}_{5}}OH\xrightarrow[{{170}^{o}}C]{cone.\text{ }{{H}_{2}}S{{0}_{4}}}\underset{ethylene}{\mathop{C{{H}_{2}}=C{{H}_{2}}}}\,\]                                                         \[+{{H}_{2}}O\]        


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