C4f-Transition Elements

Question 1

Where are transition metals found in the periodic table?

Answer 1

In the middle

Question 2

What are all transition elements?

Answer 2

Metals and have typical metallic properties

Question 3

What colour are copper compounds?

Answer 3

Blue

Question 4

What colour are iron(II) compounds?

Answer 4

Light green

Question 5

What colour are iron(III) compounds?

Answer 5

Orange/brown

Question 6

What is iron used for in the industry?

Answer 6

A catalyst used in the Haber process for making ammonia

Question 7

What is Nickel used for in the industry?

Answer 7

The hydration of alkenes (to make margarine)

Question 8

What is thermal decomposition?

Answer 8

A reaction in which a substance is broken down into at least two other substances by heat

Question 9

What is the test for carbon dioxide?

Answer 9

To see if it turns limewater milky

Question 10

What is the symbol equation for the thermal decomposition of FeCO3(iron carbonate)?

Answer 10

FeCO3 –>

FeO + CO2

Question 11

What is the symbol equation for the thermal decomposition of CuCO3(Copper Carbonate)?

Answer 11

CuCO3 –> CuO + CO2

Question 12

What is the symbol equation for the thermal decomposition of MnCO3(Magnese Carbonate)?

Answer 12

MnCO3 –> MnO + CO2

Question 13

What is the symbol equation for the thermal decomposition of ZnCO3(Zinc carbonate)?

Answer 13

ZnCO3 –> ZnO + CO2

Question 14

What is precipitation?

Answer 14

A reaction between solutions that makes an insoluble solid

Question 15

What are precipitates?

Answer 15

The solids in a precipitation reaction

Question 16

What colour would you see in a sodium hydroxide solution if there were copper ions?

Answer 16

Blue solid (Cu2+)

Question 17

What colour would you see in a sodium hydroxide solution if there were iron(II) ions?

Answer 17

Grey/green solid (Fe2+)

Question 18

What colour would you see in a sodium hydroxide solution if there were iron (III) ions?

Answer 18

Orange/brown solid (Fe3+)

Question 19

What is the balanced symbol equation for copper (II) sulfate + sodium hydroxide?

Answer 19

CuSO4 + 2NaOH –> Cu(OH)2 + Na2SO4

Question 20

What is the balanced symbol equation for iron (II) sulfate + sodium hydroxide?

Answer 20

FeSO4 + 2NaOH –> Fe(OH)2 + NaSO4

Question 21

What is the balanced symbol equation for iron(III) sulfate + sodium hydroxide?

Answer 21

Fe2(SO4)3 + 6NaOH –> 2Fe(OH)3 + 3Na2SO4