1.

Which one among the following metals is more reactive than hydrogen ?

Answer»

Mercury
COPPER
Silver
Tin

SOLUTION :ACCORDING to the reactivity basis metals are arranged with respect to the hydrogen in a series which is KNOWN as ELECTROCHEMICAL series. In this series metals which are more reactive than hydrogen are placed above hydrogen and those which are less reactive than hydrogen are placed below hydrogen . In this series , tin is present above hydrogen while all other given metals are placed below it . Hence , is more reactive than hydrogen.


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