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JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank Compounds of Transitional Elements

  • question_answer
    Purple of cassium is  [BHU 2002]

    A) Gold solution

    B) Silver solution

    C) Copper solution

    D) Platinum solution

    Correct Answer: A

    Solution :

    We know by reducing auric chloride by stannous chloride, the colloidal solution of gold is obtained. It is known as purple of cassium.


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