Question

34. Neha prepared a blue-coloured solution of copper sulphate in a beaker and
placed an iron nail in it.
(5 ma
(i) Describe in words the changes that will be observed in the beaker after about an
hour. Explain why this happens.
(ii) Write the word equation for the reaction observed in the beaker.
(iii) Name one metal that is more reactive than both iron and copper.​

Answer 1

Answer:

3rd is answer,..........

Answer 2

Iron nail will get coated with copper

Explanation:

I)The Fe displaces the Cu from CuSO4

solution in beaker ,as Fe is more reactive than Cu.

Therefore the blue colour of the solution changes to green due to the formation of FeSO4

ii)Fe+CuSo4—FeSo4+Cu

iii) Sodium