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

  • question_answer
    Commercially methanol is prepared by [IIT 1984; MP PMT 1990; KCET 1992]

    A)                 Reduction of CO in presence of \[ZnO.C{{r}_{2}}{{O}_{3}}\]

    B)                 Methane reacts with water vapours at \[{{900}^{o}}C\] in presence of Ni catalyst

    C)                 Reduction of HCHO by \[LiAl{{H}_{4}}\]

    D)                 Reduction of HCHO by aqueous NaOH

    Correct Answer: A

    Solution :

                    \[CO+{{H}_{2}}\underset{573K,\,200\,\text{atm}}{\mathop{\xrightarrow{CuO-ZnO-C{{r}_{2}}{{O}_{3}}}}}\,\underset{\text{Methanol}}{\mathop{C{{H}_{3}}OH}}\,\]


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