26. You have immersed electrodes of a light bulb in a solution of H2SO4 such that the light bulb is
on. You add a dilute solution and the bulb grows dim. Which of the following molecule could be
in the solution?
(A) Cu(NO3)2 (B) K2SO4 (C) NaNO3 (D) ZnCl2 (E) Pb(NO3)2