[12%] Write net equations for each of the reactions below. Use appropriate ionic and molecular formu — Descriptive Chemistry / Chemical Reactions Chemistry Question
Problem Context
[12%] Write net equations for each of the reactions below. Use appropriate ionic and molecular formulas and omit formulas for all ions or molecules that do not take part in a reaction. Write structural formulas for all organic substances, and clearly show stereochemistry where relevant. You need not balance the equations or show the phase of the species.
Aqueous hydrochloric acid is added to a solution of sodium hypochlorite.
Model Answer
H+ + Cl– + OCl– → Cl2 + H2O
Aluminum foil is added to concentrated aqueous potassium hydroxide solution.
Model Answer
Al + OH– + H2O → Al(OH)4– + H2
Metallic sodium is added to liquid ammonia in the presence of a trace amount of iron(III) nitrate.
Model Answer
Na + NH3 → Na+ + NH2– + H2
Potassium tetrachloroplatinate is heated with two equivalents of aqueous ammonia.
Model Answer
PtCl4 2- + NH3 → + Cl–
Sodium tert-butoxide is added to 3-bromo-3-ethylpentane in N,N-dimethylformamide (DMF) solution.
Cobalt-57 undergoes radioactive decay by electron capture.
Model Answer
57Co → 57Fe + γ