Question

give reason
an iron strip dipped in a blue copper sulphate solutions turns blue solution pale green ​

Answer 1

Answer:

Because iron is more reactive and displaces cupper from its oxide that's why color of sol. Changes.

Explanation:

Answer 2

Explanation:

here displacement reaction occurs.

iron is more reactive than copper.

$fe + cuso4 = feso4 + cu$

feso4 is green in colour