Haryana PMT Haryana PMT Solved Paper-2011

  • question_answer
    Absolute alcohol (100% alcohol) is prepared by distilling rectified spirit over

    A)  \[Na\]                                 

    B)  \[CaC{{l}_{2}}\]

    C)  \[Mg\]          

    D)  \[Mg{{(O{{C}_{2}}{{H}_{5}})}_{2}}\]

    Correct Answer: D

    Solution :

                    Water present in rectified spirit is removed by \[Mg{{(O{{C}_{2}}{{H}_{5}})}_{2}}\]as follows \[Mg{{(O{{C}_{2}}{{H}_{5}})}_{2}}+{{H}_{2}}O\xrightarrow{{}}Mg{{(OH)}_{2}}\]                                                 \[+{{C}_{2}}{{H}_{5}}OH\]


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