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NEET Sample Paper NEET Sample Test Paper-12

  • question_answer
    In preparation of alkene from alcohol using \[A{{l}_{2}}{{O}_{3}}\]which is effective factor?

    A)  Temperature                 

    B)  Concentration

    C)  Surface area of\[A{{l}_{2}}{{O}_{3}}\]

    D)  Porosity of \[A{{l}_{2}}{{O}_{3}}\]

    Correct Answer: A

    Solution :

     Temperature \[R-C{{H}_{2}}-C{{H}_{2}}OH\xrightarrow[Zn+{{H}_{2}}O]{{{O}_{3}}}\] \[R-CH=C{{H}_{2}}+{{H}_{2}}O\] While at \[{{220}^{o}}C-{{250}^{o}}C\] it forms ether.


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