A. Bronsted acid-base reaction: H+ transferred.
B. Lewis acid-base reaction: an electron deficient species (such as boron) reacts with a compound with a free lone pair of electrons (such as nitrogen).
VIII.Complex ion formation & breakup
A. Zn2+ and Al3+ complex with OH-; forms Zn(OH)42-, Al(OH)4-, or Al(OH)63-
B. Ag+, Cu2+, Zn2+, Cd2+ complex with NH3; forms Ag(NH3)2+, Cu(NH3)42+, Zn(NH3)42+, Cd(NH3)42+
C. Same metallic ions may complex with CN-
|Many times, # ligands are twice the charge on the ion.|
|Excess OH-, NH3, or CN- is your clue for complex formation.|
D. Breakup complex with acid: metal ion released and H+ combines with ligand to form H2O, NH4+, or HCN.
|page 1||page 2||page 3|