試題詳解

2. The end point for the Fajans titration is indicated by the
(A) reduction of a colored indicator at the end point.
(B) adsorption of a colored indicator on the precipitate at the end point.
(C) deprotonation of a colored acid-base indicator at the end point.
(D) fornation of a soluble, colored complex at the end point.
(E) protonation of a soluble, colored complex at the end point.