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  • You are provided with two containers made up of copper and aluminium. You are also provided with solutions of dilute HCl, dilute HNO_3, ZnCl_2 and H_2O. In which of the above containers these solutions can be kept?

You are provided with two containers made up of copper and aluminium. You are also provided with solutions of dilute HCl, dilute HNO_3, ZnCl_2 \;and \;H_2O. In which of the above containers these solutions can be kept?

Answers (1)

Dilute HCl

Copper does not react with dilute HCl, so it can be stored in a copper vessel

Dilute HNO_3

3Cu(s)+8HNO_{3}(aq)\rightarrow 3Cu(NO_{3})_{2}(aq)+2NO(g)+4H_{2}O(l)

Cannot be stored in copper vessel as above chemical reaction takes place.

Hence stored in aluminium vessel

ZnCl_2

No reaction takes place because copper is less active metal than zinc and can't displace it from ZnCl_2 solution.

Hence stored in copper vessel

H_2O

No reaction occurs between copper and water so water can be stored in copper vessel.

Posted by

infoexpert21

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