Manipal Engineering Manipal Engineering Solved Paper-2011

  • question_answer
    Anhydrous\[AlC{{l}_{3}}\]fume in air due to

    A)  oxidation           

    B)                         hydrolysis

    C)                         reduction          

    D)                         hydrogenation

    Correct Answer: B

    Solution :

    Anhydrous\[AlC{{l}_{3}}\]is highly hygroscopic and hence gives fumes of hydrogen chloride by the hydrolysis of moist air.                 \[AlC{{l}_{3}}+\underset{moist\,\,air}{\mathop{3{{H}_{2}}O}}\,\xrightarrow{{}}Al{{(OH)}_{3}}+3HCl\]


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