Question

5. Complete the following reactions:(a) Copper Sulphate + Zinc(b) Iron Sulphate Copper (c) Copper Sulphate lron​

Answer 1

Answer:

Copper Sulphate + Zinc ----> zinc sulphate+ copper

b) Iron Sulphate+ Copper no reaction

(c) Copper Sulphate + lron​ ----> iron sulphate+ copper

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Answer 2

Answer:

a) CuSo4 +zn

b) FeSo+cu

c) CuSo4+Fe

Explanation:

A) When zinc is added to copper sulphate (CUSO4) solution due to more reactivity of zinc, cooper is replaced by the zinc and forms zinc sulphate. During the process, the colour of the solution changes from blue to colourless.

B) Iron displaces copper ions from an aqueous solution of copper sulphate. In this reaction, metallic iron is converted into ferrous ion (Fe2+) and cupric ion (Cu2+) is converted into metallic copper. Fe (8) + Cu2 + (aq) → Fe2+ (aq) + Cu (s).

C) When copper sulphate reacts with iron iron will displace copper from the copper sulphate solution to form ferrous sulphate(iron sulphate). It will show displacement reaction as iron is more reactive than copper so it can displace copper from the solution.