JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank General Characteristics

  • question_answer
    Which of the following ionic species will impart colour to an aqueous solution [CBSE PMT 1998; BHU 2001]

    A) \[T{{i}^{4+}}\]

    B) \[C{{u}^{+}}\]

    C) \[Z{{n}^{2+}}\]

    D) \[C{{r}^{3+}}\]

    Correct Answer: D

    Solution :

    \[C{{r}^{+3}}\] due to presence of unpaired electrons.


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