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A standard hydrogen electrode has zero e...

A standard hydrogen electrode has zero electrode potential because

A

hydrogen is easiest to oxidise

B

this electrode potential is assumed to be zero

C

hydrogen atom has only one electron

D

hydrogen is the lightest element

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • Assertion :A standard hydrogen electrode is also called reversible electrode. Reason: Standard hydrogen electrode can act both as anode as well as cathode in an electrochemical cell.

    A
    If both (A) and (R) are correct and (R) is the correct explanation of (A).
    B
    If both (A) and (R) are correct, but (R) is not the correct explanation of (A).
    C
    A is correct but R is incorrect
    D
    If both (A) and (R) are incorrect.

  • In a standard hydrogen electrode, the concentration of 'H^+' is : (a)0.1M (b)1M (3)10M (4)Not fixed

    A
    0.1M
    B
    1M
    C
    10M
    D
    Not fixed

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