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The positive standard reduction potentia...

The positive standard reduction potential of `Cu^(2+)/Cu` electrode is due to

A

high heat of atomisation and hydration energies

B

low heat of atomisation and hydration energies

C

high heat of atomisation and low heat of hydration

D

low heat of atomisation and high heat of hydration

Text Solution

Verified by Experts

The correct Answer is:
C
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At what concentration of copper sulphate solution, the potential of Cu^(2+) , Cu becomes zero? The standard reduction potential of Cu^(2+) , Cu is 0.34 V.

A cell constructed by caupling a standard copper electrode and a standard magnesium electrode has emf of 2.7 volts. If the standard reduction potential of copper electrode is +0.34 volt, that of magnesium electrode is

Knowledge Check

  • If the standard electrode protential of Cu^(2+)// Cu electrode is 0.34 V , what is the electrode potential at 0.01 M concentration of Cu^(2+) ? (T = 298^(@) K)

    A
    `0.399V`
    B
    `0.281V`
    C
    `0.222V`
    D
    `0.176 V`

  • A cell constructed by coupling a standard copper electrode and a standard magnesium electrode has emf of 2.7 volts. If the standard reduction potential of copper electrode is +0.34 volt, that of magnesium electrode is

    A
    +3.04 volts
    B
    -3.04 volts
    C
    +2.36 volts
    D
    -2.36 volts

  • A cell constructed by coupling a standard copper electrode and a standard magnesium electrode has emf of 2.7 volts. If the standard reduction potential of copper electrode is +0.34 volt, that of magnesium electrode is

    A
    `+3.04` volts
    B
    `-3.04 ` volts
    C
    `+2.36` volts
    D
    `-2.36` volts

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