window frames made from iron corrode faster than made from aluminium . EXPLAIN

rn

experts help pls

Dear student!

Aluminum is more reactive than iron, so theoretically it should corrode faster and it corrodes faster than Iron but, after corrosion it forms an aluminum oxide(Al2O3) with oxygen which is very thin layer and covers the whole surface of aluminum and hence, it resists the rest of the aluminum to corrode , and so it does not corrodes as much as the iron sheet frame!

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Iron is very reactive metal. Aluminium is a less reactive metal.

Usually  less reactive metals do not corrode easily as they are not very reactive to oxygen and water. But in the other case reactive metals corrode easily as they are very reactive to oxygen and water.

So window  frames made from iron corrode faster than those made from aluminium.

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i have sent u ans tooo if u've found it helpful pls like it

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al is more reactive than fe  !!!!!

u've understood it wrong

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@stephenie!nope! read my answer fully! i have mentioned  that (Fe)is very reactive! 

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@ stephenie! now i understand wat u were trying to say! thnks !

her's a good answer fr u! Aluminium does not corrode easily because it does not because the aluminium reacts with oxygen in the air to form a layer of oxide, which protects the aluminium.

In simpler words,

Aluminium is higher on the electrochemical series (i.e. has a greater std. electrode potential) than iron so is more reactive, however aluminium rapidly forms a thin oxide pacifying layer which gives protection from corrosion.

hope it helped u! dn't frget to leave a thumbs fr me!!!!!!

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