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JEE Main & Advanced Chemistry Aldehydes, Ketones Question Bank Properties

  • question_answer
    Reaction \[\begin{matrix}    R  \\    R  \\ \end{matrix}>CO+HCN\to R-\underset{\underset{CN}{\mathop{|}}\,}{\mathop{\overset{\overset{R}{\mathop{|}}\,}{\mathop{C}}\,}}\,-OH\] is [Kurukshetra CEE 1998; IIT 1990]

    A)                 Electrophilic substitution

    B)                 Electrophilic addition

    C)                 Nucleophilic addition

    D)                 Nucleophilic substitution

    Correct Answer: C

    Solution :

                    \[\begin{matrix}    R  \\    {}  \\    R  \\ \end{matrix}>C=O+HCN\to \begin{matrix}    R  \\    {}  \\    R  \\ \end{matrix}>C<\begin{matrix}    CN  \\    {}  \\    OH  \\ \end{matrix}\] is an example of nucleophilic addition reaction.


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