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Assertion (A) : Cu is less reactive than...

Assertion (A) : `Cu` is less reactive than hydrogen.
Reason (R) : `E_(Cu^(2+)//Cu)^(Theta)` is negative.

A

Both assertion and reason are true and the reason is the correct explanation of assertion.

B

Both assertion and reason are true and the reason is not the correct explanation of assertion.

C

Assertion is true but the reason is false.

D

Both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Assertion (A) Cu^(2+) iodine is not known. Reason (R ) Cu^(2+) oxidises I^(-) to iodine.

    A
    Both assertion and reason are true, and reason is the correct explanation of the assertion.
    B
    Both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    Assertion is not true but reason is true.
    D
    Both assertion and reason are false.

  • Assertion (A) Cu cannot liberate hydrogen from acids. Reason (R ) Because it has positive electrode potential.

    A
    Both assertion and reason are true, and reason is the correct explanation of the assertion.
    B
    Both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    Assertion is not true but reason is true.
    D
    Both assertion and reason are false.

  • Assertion (A) : Cu^(2+) + 2e^(-) to Cu (s) is an example of oxidation half reaction. Reason (R) : When concentrations of all species involved in a half-cell is unity, then the electrode potential is called standard electrode potential.

    A
    Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Assertion (A).
    B
    Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A)
    C
    Assertion (A) is correct, but Reason (R) is incorrect statement.
    D
    Assertion (A) is incorrect, but Reason (R) is correct statement.