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Zinc liberates hydrogen gas when reacted...

Zinc liberates hydrogen gas when reacted with dilute nitric acid whereas copper does not. Why ?

Text Solution

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Zinc is more reactive than hydrogen and hence it displaces hydrogen from dilute HCl, whereas copper is less reactive than hydrogen hence it does not show any reaction.
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Knowledge Check

  • The oxide that gives hydrogen peroxide on treatment with dilute acid is

    A
    `PbO_2`
    B
    `Na_2O_2`
    C
    `MnO_2`
    D
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  • When iron reacts with dilute Hydrochloric acid the liberated gas is

    A
    hydrogen
    B
    oxygen
    C
    chlorine
    D
    nitrogen

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