12th Class Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank MCQs - Alcohols, Phenols and Ethers

  • question_answer
    \[{{\left( C{{H}_{3}} \right)}_{3}}C-C{{H}_{2}}OH\xrightarrow[170{}^\circ C]{Conc.\,{{H}_{2}}S{{O}_{4}}}X\] In the reaction, X is

    A) \[{{\left( C{{H}_{3}} \right)}_{2}}C=CHC{{H}_{3}}\]

    B) \[C{{H}_{3}}C\equiv CH\]

    C) \[{{\left( C{{H}_{3}} \right)}_{2}}CHC{{H}_{2}}C{{H}_{3}}\]

    D) \[C{{H}_{3}}-C{{H}_{2}}-\underset{\begin{smallmatrix} | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,=C{{H}_{2}}\]

    Correct Answer: A

    Solution :

    \[{{\left( C{{H}_{3}} \right)}_{3}}C-C{{H}_{2}}OH\xrightarrow[170{}^\circ C]{conc.\,{{H}_{2}}S{{O}_{4}}}{{\left( C{{H}_{3}} \right)}_{2}}C\underset{(X)}{\mathop{=}}\,CHC{{H}_{3}}\]


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