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

  • question_answer
    \[C{{u}^{2+}}\] ions will be reduced to \[C{{u}^{+}}\] ions by the addition of an aqueous solution of [AIIMS 1992]

    A) \[KF\]

    B) \[KCl\]

    C) \[KI\]

    D) \[KOH\]

    Correct Answer: C

    Solution :

    \[2CuS{{O}_{4}}+\underset{\text{Cuprous}\,\,\text{iodide}\,\,\,\,\,\,\,\,\,\,}{\mathop{4KI\to \,\,\,\,2CuI\,+2{{K}_{2}}S{{O}_{4}}}}\,+{{I}_{2}}\].


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