Magnesium is more reactive than copper or iron but iron is more reactive than copper. Which of the following pots will get damaged and why? (i) A solution of magnesium sulphate is kept in copper pot. (ii) A solution of copper sulphate is kept in iron pot. (iii) A solution of magnesium sulphate is kept in iron pot.

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On the basis of the reactivity series of metals, predict how these metals will react with each of the following salt solutions:

Metals: magnesium, zinc, copper, iron, and potassium

Salt solutions: magnesium sulphate, zinc sulphate, copper sulphate, iron sulphate,and potassium sulphate

You are given a solution of iron sulphate. Which of the following do you think cannot displace iron from iron sulphate ?

(a) magnesium

(b) calcium

(d) zinc

Which of the following pairs cannot undergo displacement reaction?

(a) iron sulphate solution and magnesium

(b) zinc sulphate solution and iron

(d) silver nitrate solution and copper

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