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12th Class Chemistry Sample Paper Chemistry Olympiad Sample Paper-5

  • question_answer
    In the aqueous solution, Cu(+1) salts are unstable because

    A)  Cu\[(+1)\] has a \[3{{d}^{10}}\] configuration

    B)  The change in free energy of the overall reaction is zero

    C)  They disproportionate easily to \[Cu(0)\] and \[Cu(+2)\] states

    D)  They disproportionate easily to \[Cu(+2)\] and \[Cu(+3)\] states.

    Correct Answer: C

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