Choose Metals from the List to Answer the Following Questions

HELP

1The list below shows some elements in order of their reactivity. The most reactive is on the left.

Choose metals from the list to answer the following questions.

aThis metal will displace all the other metals from solutions of their salts.

bThis metal cannot be displaced from solution by any of the others.

cThis metal will only displace gold from a solution.

dThis metal displaces silver but is displaced from its solution by iron.

2aCopy and complete the following sentences:

i Gold is used for jewellery because … .

iiCopper can be used for making water pipes because … .

bCopper sulphate solution is blue. Zinc sulphate solution is colourless. Sarah adds a lot of zinc powder to some copper sulphate solution. How does she know that a displacement reaction has happened?

CORE

3Read the information about some chemical reactions and use it to answer the questions.

ai Which is the most reactive metal?

iiExplain your answer.

bi Which two metals will displace iron from a solution of iron sulphate, without reacting quickly with the water itself?

iiWrite a word equation for the reaction between one of these metals and iron sulphate.

cWrite down all the metals described in order of their reactivity, starting with the most reactive.

diManganese reacts fairly quickly with dilute acids, though not with water. It will displace zinc from a solution of its salts. Suggest where manganese would best fit into the reactivity series you have drawn up.

iiExplain your answer.

EXTENSION

4Read the information about some chemical reactions and use it to answer the questions. It is the same as the information given for question 3.

aWrite a word equation for the reaction between copper and silver nitrate solution.

bThe symbol equation below shows the reaction between magnesium and hydrochloric acid. What is the total number of atoms shown on both sides of the equation?

Mg + 2HCl → MgCl2 + H2

cUse the reactivity series below to answer the following questions. The most reactive metal is on the left.

i Write a word equation to show the reaction when powdered nickel is heated with platinum oxide.

iiThe formula of zinc oxide is ZnO and the formula of copper oxide is CuO. Use these to write a formula equation to represent the reaction between zinc and copper oxide.

iiiDescribe what you would do to show that nickel really is above copper in the reactivity series shown above.

This worksheet may have been altered from the original on the CD-ROM.