Home
Class 12
CHEMISTRY
From the electrochemical series given in...

From the electrochemical series given in the text, determine the approximate value of `E^@` for `X^(2+) (aq)+2e to X(s)`
The metal X dissolves in hydrochloric acid producing `H_2` but does not replace either `Zn^(2+) or Fe^(2+)`.

Text Solution

Verified by Experts

`-0.44 V lt E^@ lt 0.00V`
Promotional Banner

Topper's Solved these Questions

  • ELECTROMOTIVE FORCE

    BODY BOOKS PUBLICATION|Exercise EXERCISE |25 Videos

  • ELECTROMOTIVE FORCE

    BODY BOOKS PUBLICATION|Exercise EXERCISE |25 Videos

  • ELECTROCHEMISTRY

    BODY BOOKS PUBLICATION|Exercise EXAMPLES|134 Videos

  • General Principles and Processes of Isolation of Elements

    BODY BOOKS PUBLICATION|Exercise Example|108 Videos

Similar Questions

Explore conceptually related problems

From the electrochemical series given in the text, determine the approximate value of E^@ for X^(2+) (aq)+2e to X(s) The metal X dissolves in nitric acid but not in hydrochloric acid . It can displace Ag^+ but not Cu^(2+)

Find the approximate value of f(2.01), where f(x)= 4x^2+5x+2

Find the approximate value of f(2.01) , where f(x)=4 x^2+5 x+2

Integrate the function (e^(2 x)-1)/(e^(2 x)+1)

The minimum value of e^((2x^(2) - 2x + 1) sin^(2) x) is a)e b) 1//e c)1 d)0

Is the chemical reaction given below wrong? Explain the reason: Cu(s)+2HCl(aq) rarr CuCl_2 (aq)+H_2(g)

Write the half reactions for the following redox reaction. Zn(s) + 2H^+ (aq) rarr Zn^(2+) (aq) + H_2(g)

E^@ for the reaction Fe+Zn^(2+)=Zn+Fe^(2+) is -0.35 V. The given cell reaction is

BODY BOOKS PUBLICATION-ELECTROMOTIVE FORCE -PROBLEMS
  1. E(cell)^@ for the reaction Co(s)+Ni^(2+) to Co^(2+)+Ni(s) is +0.03 vol...

    Text Solution

    |

  2. From the electrochemical series given in the text, determine the appro...

    Text Solution

    |

  3. From the electrochemical series given in the text, determine the appro...

    Text Solution

    |

  4. The standard reaction potential of a calomel half cell is 0.28V at 25^...

    Text Solution

    |

  5. What is the potential of a cell containing two hydrogen electrodes, th...

    Text Solution

    |

  6. Copper can reduce zinc ions if the resultant copper ions can be kept a...

    Text Solution

    |

  7. A cell contains two hydrogen electrodes. The negative electrode is in ...

    Text Solution

    |

  8. The standard potentials, E^@ for the half reaction are as Zn=Zn^(2+)...

    Text Solution

    |

  9. Given that Fe^(3+)+e leftrightarrow Fe^(2+), E^@=0.77V Fe^(2+)+2e ...

    Text Solution

    |

  10. From the following values of E^@ drawn from the emf series, calculate ...

    Text Solution

    |

  11. Will Fe (s) be oxidised to Fe^(2+) by reacting with 1M HCl? E(Fe,Fe^...

    Text Solution

    |

  12. A galvanic cell is composed of a standard Zn electrode and a chromium ...

    Text Solution

    |

  13. The standard electrode potential corresponding to the reduction Cr^(3+...

    Text Solution

    |

  14. The emf of a cell consisting of a copper and a lead electrode immersed...

    Text Solution

    |

  15. What is the potential of a hydrogen electrode at pH=10?

    Text Solution

    |

  16. We have an oxidation -reduction system: [Fe(CN)6]^(3-) +e leftrighta...

    Text Solution

    |

  17. Calculate the emf of the following cell at 25^@C Fe|FeSO4||CuSO4|Cu ...

    Text Solution

    |

  18. Calculate the emf of the following cells, find their cells reactions u...

    Text Solution

    |

  19. Calculate the emf of the following cells, find their cells reactions u...

    Text Solution

    |

  20. Calculate the emf of the following cells, find their cells reactions u...

    Text Solution

    |