Question

16. Which of the following observations will be made when a copper coin is placed in a test tube containing ferrous sulphate solution?

A. the ferrous sulphate solution will turn blue and a grey substance will be deposited on the copper coin.
B. the ferrous sulphate solution will turn colourless and a grey substance will be deposited on the copper coin. C. the ferrous sulphate solution will turn colourless and a reddish brown substance will be deposited on the copper coin.
D. no change will occur.​

Answer 1

Answer:

option number is B

please mark brilliant

Answer 2

When a copper coin is placed in a test tube containing ferrous sulphate solution the ferrous sulphate solution will turn blue and a grey substance will be deposited on the copper coin.The correct option is A.

• Ferrous sulphate solution turns blue because in presence of Cu copper sulphate is formed which is blue in color and the grey iron deposited in copper coin.