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JEE Main & Advanced Chemistry The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I Question Bank Boron Family

  • question_answer
    Aluminium vessels should not be washed with materials containing washing soda since [KCET 1993]

    A) Washing soda is expensive

    B) Washing soda is easily decomposed

    C) Washing soda reacts with aluminium to form soluble aluminate

    D) Washing soda reacts with aluminium to form insoluble aluminium oxide

    Correct Answer: C

    Solution :

    \[N{{a}_{2}}C{{O}_{3}}+{{H}_{2}}O\to 2NaOH+C{{O}_{2}}\] \[2NaOH+2Al+6{{H}_{2}}O\to 2Na[Al{{(OH)}_{4}}]+3{{H}_{2}}\]


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