C4f-Transition Elements Flashcards
(21 cards)
Where are transition metals found in the periodic table?
In the middle
What are all transition elements?
Metals and have typical metallic properties
What colour are copper compounds?
Blue
What colour are iron(II) compounds?
Light green
What colour are iron(III) compounds?
Orange/brown
What is iron used for in the industry?
A catalyst used in the Haber process for making ammonia
What is Nickel used for in the industry?
The hydration of alkenes (to make margarine)
What is thermal decomposition?
A reaction in which a substance is broken down into at least two other substances by heat
What is the test for carbon dioxide?
To see if it turns limewater milky
What is the symbol equation for the thermal decomposition of FeCO3(iron carbonate)?
FeCO3 –>
FeO + CO2
What is the symbol equation for the thermal decomposition of CuCO3(Copper Carbonate)?
CuCO3 –> CuO + CO2
What is the symbol equation for the thermal decomposition of MnCO3(Magnese Carbonate)?
MnCO3 –> MnO + CO2
What is the symbol equation for the thermal decomposition of ZnCO3(Zinc carbonate)?
ZnCO3 –> ZnO + CO2
What is precipitation?
A reaction between solutions that makes an insoluble solid
What are precipitates?
The solids in a precipitation reaction
What colour would you see in a sodium hydroxide solution if there were copper ions?
Blue solid (Cu2+)
What colour would you see in a sodium hydroxide solution if there were iron(II) ions?
Grey/green solid (Fe2+)
What colour would you see in a sodium hydroxide solution if there were iron (III) ions?
Orange/brown solid (Fe3+)
What is the balanced symbol equation for copper (II) sulfate + sodium hydroxide?
CuSO4 + 2NaOH –> Cu(OH)2 + Na2SO4
What is the balanced symbol equation for iron (II) sulfate + sodium hydroxide?
FeSO4 + 2NaOH –> Fe(OH)2 + NaSO4
What is the balanced symbol equation for iron(III) sulfate + sodium hydroxide?
Fe2(SO4)3 + 6NaOH –> 2Fe(OH)3 + 3Na2SO4
