The positive value of the standard electrode potential

Question:

The positive value of the standard electrode potential of Cu2+/Cu indicates

that ____________.

(i) this redox couple is a stronger reducing agent than the H+/H2 couple.

(ii) this redox couple is a stronger oxidising agent than H+/H2.

(iii) Cu can displace H2 from acid.

(iv) Cu cannot displace H2 from acid.

Solution:

Option (ii) and (iv) are the answers.

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