Given that EoFe2-Fe - -0-44- EoCu2-Cu - 0-34V- EoAg-Ag - 0-80VWhich of the following statements are true -

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Byju's Answer

Standard X

Chemistry

Electrolytic Dissociation

Given that ...

Question

Given that $E_{F e^{2 +} / F e}^{o} = - 0.44, E_{C u^{2 +} / C u}^{o} = 0.34 V, E_{A g + / A g}^{o} = 0.80 V$

Which of the following statements are true :

Fe displace Cu from

C u S o_{4}

solution

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Ag displace Cu from

C u S o_{4}

solution

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Cu displace Ag from

A g N O_{3}

solution

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Cu displace Fe from

F e S O_{4}

solution

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Solution

The correct options are
A Fe displace Cu from $C u S o_{4}$ solution
C Cu displace Ag from $A g N O_{3}$ solution
Always more electropositive metal can display less electropositive metal from the solution.
Hence options A & C are correct.

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Similar questions

$E_{F e^{2 +} / F e}^{\circ} = - 0.44 V, E_{C u^{2 +} / C u}^{\circ} = 0.34 V, E_{A g^{2 +} / g}^{\circ} = 0.80 V$ . Will Fe displace Cu from $C u S O_{4}$ solution? Will Ag displace Cu from $C u S O_{4}$ solution?

1. Yes, Yes

2. No, No

3. Yes, No

4. No, Yes

Q. Using the standard potential values given below, decide which of the statements I, II, III, IV are correct. Choose the right answer from (a), (b), (c) and (d).

F e^{2 +} + 2 e^{-} \to F e, E^{\circ} = - 0.44 V

C u^{2 +} + 2 e^{-} \to C u, E^{\circ} = + 0.34 V

A g^{+} + e^{-} \to A g, E^{\circ} = + 0.80 V

I. Copper can displace iron from

F e S O_{4}

solution.
II. Iron can displace copper from

C u S O_{4}

solution.
III. Silver can displace Cu from

C u S O_{4}

solution.
IV. Iron can displace silver from

A g N O_{3}

solution.

Q. Chemical equation for the reaction between

C u S O_{4}

solution and an iron nail is given below.

C u S O_{4} + F e \to F e S O_{4} + C u

(a) Write the reduction reaction taking place here.
(b) Give reason for the displacement of Cu by Fe from

C u S O_{4}

solution.

Given two test tubes, A and B, A is CuSO

_{4}

solution (blue) and B is FeSO

_{4}

solution (green). When few iron nails are dipped in both the solutions, it is observed that the colour of solution A changes to green but the colour of solution B remains the same. This is because:

(More than one option can be correct)

Q. Out of

C u, A g, F e

and

Z n

, the metal which can displace all others from their salt solution is:

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Given that EoFe2+/Fe=−0.44,EoCu2+/Cu=0.34V,EoAg+/Ag=0.80VWhich of the following statements are true :

The correct options are A Fe displace Cu from CuSo4 solution C Cu displace Ag from AgNO3 solutionAlways more electropositive metal can display less electropositive metal from the solution.Hence options A & C are correct.

Given that $E_{F e^{2 +} / F e}^{o} = - 0.44, E_{C u^{2 +} / C u}^{o} = 0.34 V, E_{A g + / A g}^{o} = 0.80 V$

Which of the following statements are true :

The correct options are
A Fe displace Cu from $C u S o_{4}$ solution
C Cu displace Ag from $A g N O_{3}$ solution
Always more electropositive metal can display less electropositive metal from the solution.
Hence options A & C are correct.