Which of the following best defines a spectator ion in an aqueous chemical reaction?
CHEMISTRY · Single correct · A Level · Chemistry · Reactions of ions in aqueous solution · Reactions of ions in aqueous solution
Problem
Which of the following best defines a spectator ion in an aqueous chemical reaction?
(a) An ion that appears on both sides of the equation but in different physical states
(b) An ion that appears in identical form on both sides of the complete ionic equation
(c) An ion that changes its oxidation state during the reaction
(d) An ion that forms an insoluble compound and precipitates from solution