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A solution of Ni (NO_3)_2 is electrolysed between platinum electrodes using a current of 5 amperes for 20 minutes. What mass of Ni is deposited at the cathode. |
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Answer» Solution :Quantity of electricity PASSED =5(A)` times 20 times 60 (S)` =6000C Electrode reaction is `Ni^(2+)+2E^(-) to Ni` `2 times 96,500C` of electricity product Ni `=(58.7 times 6000)/(2 times 96500)` =1.825 G |
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