1) Electrode potential of Standard Hydrogen is always ------- a) One b) Two c) Zero 2) Unit of cell potential is a) Volt b) Ohm c) Ampere 3) Formula for cell potential is a) E0cathode - E0 anode b) E0anode - E0cathode c) E0 oxidation - E0 reduction 4) E0cell is negative the reaction is  a) Normal b) Spontaneous c) Non spontaneous 5) Calculate the cell potential of Hg2+(aq) + 2e - → Hg(l) and Cr2+(aq) + 2e - → Cr(s) E0Hg2+/Hg = +0.851V and E0Cr2+/Cr = -0.913V   a) -1.567 b) +1.764V c) +2.754

Cell potential and spontaneity

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