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Question
The given figure illustrates experimental set up X, Y and Z to investigate the sacrificial protection of iron.
In which test tube(s) will the iron rust?
The given figure illustrates experimental set up X, Y and Z to investigate the sacrificial protection of iron.
In which test tube(s) will the iron rust?
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Solution
The correct option is A X only
Mg and Zn in Y and Z tubes form a protective oxide layer over iron nail as both of them are present above iron in the activity series and displaces the iron while copper is present below iron in activity series and does not displace the iron from the fillings. So, the iron fillings rust as the water and oxygen reacts with iron to form its oxide and hydroxide.
Mg and Zn in Y and Z tubes form a protective oxide layer over iron nail as both of them are present above iron in the activity series and displaces the iron while copper is present below iron in activity series and does not displace the iron from the fillings. So, the iron fillings rust as the water and oxygen reacts with iron to form its oxide and hydroxide.
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