Question

Observe the diagram given below carefully and answer the following questions.

a) After ten minutes of keeping the set-up shown in the figure, the colour of the iron nail

changes, what does this indicate?

b) Name the type of chemical reaction that takes place between copper sulphate and iron

nail.

c) Which of the two metals involved in the given process is more reactive?

d) What change do you expect in the reaction mixture if a copper write is kept immersed in

an iron sulphate solution?

e) Write a balanced chemical equation for the reaction, between copper sulphate and iron

nail.​

Answer 1

Answer:

a) brown

b) displacement r×h

c) fe

d) blue green

e) fe + cuso4 ‐‐‐‐‐‐> feso4 + cu