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NEET Sample Paper NEET Sample Test Paper-79

  • question_answer
    \[1{}^\circ , 2{}^\circ  and 3{}^\circ \]alcohols can be distinguished by Lucas test Haloform test or by Victor Mayor test. Which of the following reagent is used to distinguish primary, secondary and tertiary alcohol?

    A)  \[\operatorname{Anhy}\,\,ZnC{{l}_{2}} + AlC{{l}_{3}}\]          

    B)  \[\operatorname{Anhy}\,\,ZnC{{l}_{2}}+HCl\]   

    C)  \[{{\operatorname{AgNO}}_{2}} + AgOH\]      

    D)  All of these

    Correct Answer: B

    Solution :

    A mixture of anhydrous \[\operatorname{ZnC}{{l}_{2}}\] and HCl is known as Lucas reagent which is used to distinguish primary, secondary and tertiary alcohol.


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