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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