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

Assertion(A) Cu is less reactive than hydrogen.
Reason(R) `E_(Cu^(2+)//Cu)^(o+)` 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
Correct Reason: `E_(Cu^(2+)//Cu)^(@)` is positive `(+0.34V)`
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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): CuCI is more covalent than NaCI . Reason (R ): Na^(o+) ion more polarising than Cu^(o+) ion.

    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
    If (A) is correct, but (R ) is incorrect.
    D
    If (A) is incorrect, but (R ) is correct.

  • 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.