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JEE Main & Advanced Chemistry Analytical Chemistry Question Bank Critical Thinking Analytical

  • question_answer
    Upon the addition of a solution A to a strongly acidified solution of barium nitrate, a white precipitate was obtained which did not dissolve even after large addition of water. Solution A contained [NCERT 1971]

    A) Sodium phosphate

    B) Sodium carbonate

    C) Sodium sulphate

    D) Sodium chloride

    Correct Answer: C

    Solution :

    \[Ba{{(N{{O}_{3}})}_{2}}\ +\ N{{a}_{2}}S{{O}_{3}}\ \to \ Ba{{(N{{O}_{2}})}_{2}}\ +\ N{{a}_{2}}S{{O}_{4}}\] \[N{{a}_{2}}S{{O}_{4}}\] is insoluble in water.


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