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Assertion :A standard hydrogen electrode...

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.

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • 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
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