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Chemical Reactivity

A metal less ...

Question

A metal less reactive and another metal more reactive than hydrogen are:

A

aluminium and lead

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B

iron and magnesium

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C

copper and tin

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D

copper and mercury

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Solution

The correct option is B copper and tin
Copper, s block elements, mercury, etc.. lies above H in reactivity series and hence, displaces H from its solution. Tin, Gold, Silver, etc.. lies below H in reactivity series.

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