2. Solved Papers
  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2002

  • question_answer
    \[C{{H}_{2}}-\underset{\begin{smallmatrix}  || \\  O \end{smallmatrix}}{\mathop{C}}\,-H+HCN\to X\xrightarrow[{}]{{{H}_{2}}S{{O}_{4}}}\]Lactic acid In the reaction X, will be

    A)  acetone

    B)  acetic acid

    C)  acetaldehyde cyanohydrin

    D)  None of the above

    Correct Answer: C

    Solution :

     \[\underset{acetaldehyde}{\mathop{C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  H \end{smallmatrix}}{\mathop{C}}\,=O}}\,+HCN\xrightarrow[{}]{{}}\underset{\begin{smallmatrix}  acetaldehyde \\  cyanohydrin \end{smallmatrix}}{\mathop{C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  CN \end{smallmatrix}}{\mathop{CH}}\,-OH}}\,\] This is nucleophilic addition reaction.


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