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

  • question_answer
    Isopropyl alcohol heated at \[{{300}^{o}}C\] with copper catalyst to form              [AFMC 1990; MP PMT 1986, 89, 92; JIPMER 2000]

    A)                 Acetone              

    B)                 Dimethyl ether

    C)                 Acetaldehyde   

    D)                 Ethane

    Correct Answer: A

    Solution :

               Secondary alcohol on dehydrogenation gives acetone                                 \[C{{H}_{3}}-\underset{\underset{OH}{\mathop{|\,\,\,\,}}\,}{\mathop{CH}}\,-C{{H}_{3}}\underset{{{300}^{0}}C}{\mathop{\xrightarrow{Cu}}}\,\,C{{H}_{3}}-\underset{\underset{O}{\mathop{||}}\,}{\mathop{C}}\,-C{{H}_{3}}+{{H}_{2}}\]


You need to login to perform this action.
You will be redirected in 3 sec spinner