RAJASTHAN PMT Rajasthan - PMT Solved Paper-1998

  • question_answer
    \[C{{H}_{3}}-CHO+HCN\xrightarrow{{}}A\] \[\xrightarrow{hydrolysis}B,\] compound B is:

    A)  malonic acid   

    B)                         glycolic acid

    C)                         maleic acid     

    D)                         lactic acid

    Correct Answer: D

    Solution :

    \[\underset{Acetaldehyde}{\mathop{C{{H}_{3}}CHO}}\,+HCN\xrightarrow{{}}\underset{\begin{smallmatrix}  Acetyealdehyde \\  cyanohydrin \end{smallmatrix}}{\mathop{C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{\overset{CN}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-H}}\,\] \[\underset{Acetaldehyde}{\mathop{C{{H}_{3}}CHO}}\,+HCN\xrightarrow{{}}\underset{\begin{smallmatrix}  Acetyealdehyde \\  cyanohydrin \end{smallmatrix}}{\mathop{C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{\overset{CN}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-H}}\,\]


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