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

  • question_answer
    Addition of alcohols to aldehydes in presence of anhydrous acids yield  [CET Pune 1998]

    A)                 Carboxylic acids               

    B)                 Ethers

    C)                 Cyclic ethers      

    D)                 Acetals

    Correct Answer: D

    Solution :

               \[R-\underset{\underset{H}{\mathop{|}}\,}{\mathop{C}}\,=O+{R}'OH\xrightarrow{\text{Dry }HCl}\begin{matrix}    R  \\    H  \\ \end{matrix}>C<\begin{matrix}    OH  \\    O{R}'  \\ \end{matrix}\]\[\]                                                                \[\underset{\text{Acetal}}{\mathop{\begin{matrix}    R  \\    H  \\ \end{matrix}>C<\begin{matrix}    O{R}'  \\    O{R}'  \\ \end{matrix}}}\,\]


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