Question

the reddish brown colour obtained on the iron nail placed in copper sulphate solution is of ________
a. Cu2O b. CuO c. Cu d. CuS​

Answer 1

Answer:

The correct answer is option C.

Explanation:

The substance occurring on the iron nail when it is kept in copper sulfate solution is copper. That because more reactive elements when they are mixed up in a solution will eventually displace the less reactive element from the mixture.

Copper formula = Cu

Hence making option C the correct answer.

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