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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 , and , and respectively. In which of the above containers these solutions can be kept respectively?

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Copper, aluminium, copper, copper

Copper, aluminium, aluminium, copper

Aluminium, copper, copper, aluminium

Aluminium, aluminium, copper, copper

answer is A.

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Detailed Solution

Concept- The chemicals stored in a container are non-reactive to specific chemicals
Reactivity of copper in different solutions:
i) Dilute

:
Copper does not react with dilute

, so the latter can be stored in a copper vessel.
ii) Dilute

:
Dilute

cannot be stored in copper vessel as following chemical reaction takes place:

can be stored in copper vessel as no reaction takes place because copper is less active metal than zinc and can't displace it from

solution.
Hence, the correct answer is option (1).

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