JEE Main & Advanced Chemistry Analytical Chemistry Question Bank Wet Test for Basic Radical

  • question_answer
    Which of the following pairs of ions when mixed in dilute solutions may give precipitate [CPMT 1976; NCERT 1987; Kurukshetra CEE 1998]

    A) \[N{{a}^{+}},SO_{4}^{2-}\]

    B) \[NH_{4}^{+},CO_{3}^{2-}\]

    C) \[N{{a}^{+}},{{S}^{2-}}\]

    D) \[F{{e}^{3+}},PO_{4}^{3-}\]

    Correct Answer: D

    Solution :

    \[F{{e}_{3}}{{(P{{O}_{4}})}_{2}}\] is insoluble in water.


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