Question 20
5 L volumes of 1.0 M KNO3(aq), 1.0 M AgNO3(aq) and 1.0 M Cu(NO3)2(aq) are placed in three separate
electrolytic cells using platinum electrodes. Over a period of 30 minutes, 96 500 coulombs of electric charge
are passed through each solution.
Which of the following alternatives correctly indicates the amount, in mole, of metal deposited at the cathode
in each cell?
n(K), n(Ag), n(Cu)
A. 0, 1 ,2
B. 0 ,1, 0.5
C. 1 ,1, 0.5
D. 0.5, 0.5, 1
P.S the Answer is B
i thought it was C myself..the examiners may have made a mistake .. :S
