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Two metals A and B have reduction potent...

Two metals A and B have reduction potential values of -0.25 v and +0.80 V respectiely. Which of these will liberate hydrogen gas from dilute `H_(2)SO_(4)`?

Text Solution

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Metal A with reduction potential `(E^(@)=-0.25" V")` will be in a position to liberate hydrogen from dilute `H_(2)SO_(4)`.
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Knowledge Check

  • Which of the following liberate hydrogen on reaction with dilute H_(2)SO_(4)

    A
    Fe
    B
    Cu
    C
    Al
    D
    Hg

  • Which of the following liberate hydrogen on reaction with dilute H_2 SO_4 ?

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    B
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    Al
    D
    Hg

  • Two metals A and B have E_(RP)^(0) = – 0.76 V and + 0.80 V respectively. Which of these will liberate H_(2) from H_(2) SO _(4) ?

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    B
    B
    C
    Both A and B
    D
    None of these

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