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

  • question_answer
    Primary alcohols on dehydration give     [NCERT 1986]

    A)                 Alkenes               

    B)                 Alkanes

    C)                 Both A and B     

    D)                 None of these

    Correct Answer: A

    Solution :

               \[\underset{{{1}^{o}}\text{alcohol}}{\mathop{R-C{{H}_{2}}-C{{H}_{2}}-OH}}\,\underset{{{170}^{o}}C}{\mathop{\xrightarrow{\text{Conc}\text{.}\,{{H}_{2}}S{{O}_{4}}}}}\,\]                                                                                 \[\underset{\text{Alkene}}{\mathop{R-CH=C{{H}_{2}}+}}\,{{H}_{2}}O\]


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