11th Class Chemistry Alkali Metals Question Bank Alkali Metals

  • question_answer Aluminium reacts with caustic soda to form [DCE 2004]

    A) Aluminium hydroxide

    B) Aluminium oxide

    C) Sodium meta-aluminate

    D) Sodium tetra aluminate

    Correct Answer: C

    Solution :

    Aluminium reacts with caustic soda to form sodium meta aluminate. \[2Al+2NaOH+2{{H}_{2}}O\to \]\[\underset{{}}{\mathop{\underset{\text{Sodium meta aluminate}}{\mathop{2NaAl{{O}_{2}}}}\,+3{{H}_{2}}\uparrow }}\,\]

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