JEE Main & Advanced Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank Preparation of alcohol Phenol and Ethers

  • question_answer
    Which of the following is industrially prepared by passing ethylene into hypochlorous acid           [BHU 2004]

    A)                 Ethylene glycol 

    B)                 Ethylene oxide

    C)                 Ethylene dinitrate           

    D)                 Ethane

    Correct Answer: A

    Solution :

      \[\underset{\text{Ethylene}}{\mathop{{{H}_{2}}C=C{{H}_{2}}}}\,+\underset{(\text{hypochlorous})}{\mathop{HOCl}}\,\to \underset{\text{Ethylene chlorohydrine}}{\mathop{{{H}_{2}}\underset{Cl\,}{\mathop{\underset{|}{\mathop{C}}\,-}}\,C{{H}_{2}}OH}}\,\]\[\xrightarrow{[NaHC{{O}_{3}}]}\underset{\text{(Ethylene glycol)}}{\mathop{{{H}_{2}}\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,\,-}}\,\underset{OH\ }{\mathop{\underset{|}{\mathop{C}}\,{{H}_{2}}}}\,}}\,+NaCl+C{{O}_{2}}\]


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