CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2011

  • question_answer
    Which of the following gives an aldehyde on dry distillation?

    A)  Calcium formate + calcium acetate

    B)  Calcium acetate 4- calcium benzoate

    C)  Calcium acetate

    D)  Calcium benzoate

    Correct Answer: A

    Solution :

    \[\underset{\begin{smallmatrix}  calcium \\  formate \end{smallmatrix}}{\mathop{{{(HCOO)}_{2}}}}\,Ca+\underset{\begin{smallmatrix}  calcium \\  acetate \end{smallmatrix}}{\mathop{{{(C{{H}_{2}}COO)}_{2}}}}\,Ca\xrightarrow{{{400}^{o}}C}\underset{aldehyde}{\mathop{2C{{H}_{3}}CHO}}\,\]\[+2CaC{{O}_{3}}\]


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