REACTIVITY
SERIES - Chem is try 2
Workout these
questions with your learning partner. There are 40 marks possibly.
1) Answer the following
questions in full sentences.
a) Why does gold occur
native (uncombined) whereas zinc does not?
………………………………………………………………………………………………
b) Why was silver used to
make coins in the past?
………………………………………………………………………………………………
c) Why is copper used to
make electrical cables and wires?
………………………………………………………………………………………………
(3)
2) The following metals are
listed in order of reactivity (most reactive first)
sodium >
magnesium > zinc
> copper
a) Describe what each metal
does when
(i) heated in air …………………………………………………………..
(ii) added to dilute
hydrochloric acid……………………………………..
b) Which of the four metals
would be suitable for making saucepans?
Explain why the others are not.
………………………………………………………………………………………………
………………………………………………………………………………………………
(5)
3) Describe what you would see
if you dropped a piece of magnesium ribbon into some copper sulphate solution
in a test tube. Write a word equation
for the reaction.
………………………………………………………………………………………………
……………………………………………………………………………………………...
………………………………………………………………………………………………
………………………………………………………………………………………………
(3)
4) Complete the following
word equations.
a) zinc + lead nitrate solution ………………………………………………………….
b) iron +
zinc sulphate solution
………………………………………………………..
c) lead +
copper nitrate solution ………………………………………………………
d) magnesium +
zinc chloride solution
………………………………………………..
e) copper +
sodium chloride solution
…………………………………………………
f) zinc +
iron sulphate solution
………………………………………………………..
g) gold +
silver nitrate solution
………………………………………………………..
h) magnesium +
calcium nitrate solution
……………………………………………..
(8)
5) Three metals X, Y
and Z have the following reactions:-
Y will displace X from a solution of its salt.
Z will displace both X and Y from solutions of their salts.
Place the
three metals in order of reactivity, starting with the least reactive.
………………………………………………………………………………………………
(2)
6) Here is a list of metals
in order of decreasing reactivity. Q and R are mystery metals.
K > Q > Ca > Mg > Al > Zn > R > Fe > Cu
a) Will Q react with cold
water? …………
b) Will R react with cold
water? …………
c) Will R react with dilute
hydrochloric acid? ...……….
d) Will R displace copper
from copper sulphate solution? ...……….
e) Write word equations for
any reactions in parts a) to d)
………………………………………………………………………………………………….
………………………………………………………………………………………………….
………………………………………………………………………………………………….
………………………………………………………………………………………………….
(6)
7) Describe everything you see when sodium is added to water
containing universal indicator.
Name the two chemical products of
sodium reacting with water and give the symbol equation for the reaction of
sodium with water.
(3)
8)
(a) Give two observations that could be
made after adding zinc to copper(II) sulphate solution.
(b) Give the symbol equation for the
reaction between zinc and copper(II) sulphate solution.
(4)
(c) explain why this is an example of a displacement reaction.
9 (a) Give three observations that could be made when magnesium reacts with sulphuric acid.
(b) Give the word and symbol equation for zinc reacting with sulphuric acid.
(c) From copper, iron, magnesium and zinc: Which reacts with acid (i) fastest?, (ii)slowest?
(6)
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