Question

a student added few pieces of aluminium metal to two test tubes A and B containing aqua solution of iron sulphate and copper sulphate in a second part of an experiment reaction to the test tube cnd containing aqua solution of Aluminium Sulphate and copper sulphate in which test tube will she observe a colour change.on the basis of the experiment state which one is the most reactive metal and why

Answer 1

She will observe color changes in test tubes A and B as aluminum displaces iron and copper from their respective salt solution.

A color change will also be observed in test tube D as iron displaces copper but does not displace aluminum.

From the above observations we can conclude that aluminum is the most reactive metal.

Hope it helps....

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