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JEE Main & Advanced Chemistry Electrochemistry / विद्युत् रसायन Question Bank Numerical Value Type Questions - Electrochemistry

  • question_answer
    The amount of electricity which releases 2.0 g of gold from a gold salt is same as that which dissolves 0.967g of copper anode during the electrolysis of copper sulphate solution. What is the oxidation number of gold in the gold ion? (At. mass of Cu = 63.5; Au = 197)

    Answer:

    3


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