Question

Reddish brown deposit of _________ is formed on iron nails kept in a solution of copper sulphate.
Cu2O b) Cu c) CuO d) CuS​

Answer 1

Answer:

In these above Iron ( fe ) is more reactive metal than the Copper ( Cu ) Because Iron ( fe ) will displace the Copper ( Cu ). when we place an iron nail in copper sulphate solution the reddish brown coating formed an iron nail is smooth and shining.

Answer 2

Answer:

Reddish brown deposit of b) Cu is formed on iron nails kept in a solution of copper sulphate.

Explanation:

CuSO4 + Fe ---> FeSO4 + Cu⬇️