ElectrochemistryHard
Question
Four colourless salt solutions are placed in separate test tubes and a strip of copper is placed in each. Which solution finally turns blue?
Options
A.AgNO3
B.Pb(NO3)2
C.Zn(NO3)2
D.Cd(NO3)2
Solution
Cu will reduce Ag+ and itself becomes Cu2+.
Create a free account to view solution
View Solution FreeMore Electrochemistry Questions
Three faradays of electricity is passed through molten Al2O3, aqueous solutions of CuSO4 and molten NaCl. The amounts of...The resistance of 1 M – CH3COOH solution is 250 Ω, when measured in a cell of cell constant 125 m−1. The molar conductiv...CH2 = CH - CH = CH - CH3 is more stable than CH3 - CH = C = CH - CH3 because (I) (II)...Chromium plating can involve the electrolysis of an electrolyte of an acidified mixture of chromic acid and chromium sul...During an electrolysis of conc. H2SO4, perdisulphuric acid (H2S2O8) and O2 form in equimolar amount. The amount of H2 th...