Haryana PMT Haryana PMT Solved Paper-2011

  • question_answer
    In the conversion of starch to ethyl alcohol, the following enzymes are used

    A)  invertase, zymase, pepsin                

    B)  maltase, zymase, yeast

    C)  diastase, maltase, zymase

    D)  invertase, diastase, zymase

    Correct Answer: C

    Solution :

    \[\underset{strach}{\mathop{{{({{C}_{6}}{{O}_{10}}{{O}_{5}})}_{n}}}}\,\xrightarrow[Diastase]{{{H}_{2}}O}\underset{maltose}{\mathop{{{C}_{12}}{{H}_{22}}{{O}_{11}}}}\,\xrightarrow[Maltase]{{{H}_{2O}}}\] \[\underset{\text{glucose}}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\xrightarrow{Zymase}2{{C}_{2}}{{H}_{5}}OH+2C{{O}_{2}}\]


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