types of inorganic reaction Flashcards
thermal decomposition - define
a compound decomposes on heating
equation for the thermal decomposition of copper carbonate
CuCO3(s) -> CuO(s) + Co2(g)
how would you check that the gas produced is carbon dioxide ?
with limewater, if CO2 is present it would turn cloudy
balanced equation for the thermal decomposition of hydrated copper sulphate, CuSO4.5H2O
CuSO4.5H2O -> CuSO4 + 5H2O
when acids dissolve in water what do they produce ?
aqueous hydrogen ions
spectator ions - define
ions present in a solution but do not take part in a solution’s chemical reaction
acid react with the more reactive metals to form hydrogen gas plus what
salt
write out the ions to show the ions of this equation
Mg(s) + 2HCI(aq) -> MgCI2(aq) + H2(g)
Mg(s) + 2H(aq) + 2CI-(aq) -> Mg2+ (aq) + 2CI-(aq) + H2(g)
write the ionic equation for the reaction
Mg(s) + 2H(aq) + 2CI-(aq) -> Mg2+ (aq) + 2CI-(aq) + H2(g)
Mg(s) + 2H(aq) -> Mg2+(aq) + H2(g)
all alkalis dissolve in water to produce what ?
hydroxide ions, OH-(aq)
during a neuralisation reaction, an acid reacts with what to form a salt ?
metal oxide or hydroxide
balanced equation for the reaction between hydrochloric acid and sodium hydroxide
HCI + NaOH -> NaCI + H2O
balanced equation for the reaction between hydrochloric acid and calcium carbonate
CaCO3 + HCI -> CaCI + CO2 + H2O
ionic precipitation reaction - define
reaction which produces a solid precipitate on mixing two solutions containing ions
soluble in water - compounds
- all common sodium, potassium and ammonium compounds
- all nitrates
- most chlorides
- most sulphates
- sodium carbonate, potassium carbonate, ammonium carbonate
- sodium hydroxide, potassium hydroxide, ammonium hydroxide
