Chemical Equation Predictions

Question Answer
Soluble metallic oxides (K2O) + H2O --> Bases (Metallic hydroxides) KOH
KH + H2O --> H2 + KOH: Metallic hydrides plus water produce hydrogen gas and metallic hydroxides
NH3 Any ammonium salt (salt of NH4+) plus any soluble strong hydroxide react upon heating to form NH3(g), H2O and a salt
SO2 Any sulfite (salt of SO3 2-) plus any acid form SO2(g), H2O and a salt
CO2 Any Carbonate (salt of CO3 2-) plus any acid form CO2 (g), H2O and a Salt
H2S Becomes a gas. Any sulfide (salt of S2-) plus any acid form H2S (g) and a salt
Common ligands (Lewis Bases) NH3, CN-, OH-, SCN-
Common complex ion metals (Lewis Acids) Fe, Co, Ni, Cr, Cu, Zn, Ag, Al
Metallous ions (lower oxidation #) Metallic ions (higher oxidation #)
Free halogens, concentrated basic solution Halate ions
Nitrite ions Nitrate ions
Sulfite ions or SO2 Sulfate ions
Free metals Metal ions
Halide ions Free halogen
H2O2 O2, H2O
C2O4 2- CO2
Free halogens Halide ions
Metallic ions (higher oxidation #) metallous ions (lower oxidation #)
HNO3 concentrated NO2
Cr2O7 2- in acidic solution Cr3+
MnO4- in neutral or basic solution MnO2 (s)
MnO2 in acidic solution Mn2+
MnO4- in acidic solution Mn2+
23 cards - created oct 11, 8:41pm

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