Home
Class 12
CHEMISTRY
Among the first transition series (3d se...

Among the first transition series (3d series) only copper has positive `E^(Theta)M^(2+)//M` value. Why?

Text Solution

Verified by Experts

Among the first transition series only copper has positive `E^(0) M^(+2)//M` value. This is due to high `Delta_(a)H^(0) and" low "Delta_("hyd")H^(0)` values.
Promotional Banner

Topper's Solved these Questions

  • D AND F- BLOCK ELEMENTS AND CO-ORDINATION COMPOUNDS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise SHORT ANSWER QUESTIONS|57 Videos

  • D AND F- BLOCK ELEMENTS AND CO-ORDINATION COMPOUNDS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise LONG ANSWER QUESTIONS|23 Videos

  • D AND F- BLOCK ELEMENTS AND CO-ORDINATION COMPOUNDS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise INTEXT QUESTIONS|33 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise Intex questions|5 Videos

  • ELECTROCHEMISTRY & CHEMICAL KINETICS

    VIKRAM PUBLICATION ( ANDHRA PUBLICATION)|Exercise DAM SURE|18 Videos

Similar Questions

Explore conceptually related problems

Among the first transition series (3d series) zinc has lowest enthalpy of atomization. Why?

Among the first transition series (3d series) Chromium has highest melting point. Why?

In first transition series elements the highest oxidation number shown is +x. What is the value of x.

M^(3+) ion of the first transition series metal 'M' has a magnetic moment 1.73 BM. The atomic number of the metal 'M' is

Among the following series of transition metal ions, the one where all metal ions have 3d^2 electronic configuration is (At. nos. Ti = 22, V = 23, Cr = 24, Mn = 25)

Four successive members of the first series of the transition metals are listed below. For which one of them the standard potential (E_(M)^(0)2 + // m) value has a positive sign?

Which of the 3d series of the transition metals exhibits the largest number of oxidation , states and why ?

VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-D AND F- BLOCK ELEMENTS AND CO-ORDINATION COMPOUNDS -VERY SHORT ANSWER QUESTIONS
  1. How do the atomic and ionic sizes vary among transition metals in a gi...

    Text Solution

    |

  2. Why do Mn, Ni and Zn exhibit more negative E^(Theta) values than expec...

    Text Solution

    |

  3. Among the first transition series (3d series) only copper has positive...

    Text Solution

    |

  4. Cu^(+2) forms halides like CuF(2), CuCl(2) and CuBr(2) but not CuI(2)....

    Text Solution

    |

  5. The highest Mn fluoride is MnF(4) where as the highest oxide is Mn(2)O...

    Text Solution

    |

  6. In its fluoride or Oxide, in which a transition metal exhibits highest...

    Text Solution

    |

  7. Why Zn^(2+) is diamagnetic whereas Mn^(2+) is paramagnetic ?

    Text Solution

    |

  8. Write 'spin only' formula to calculate the magnetic moment of transiti...

    Text Solution

    |

  9. Calculate the 'spin only' magnetic moment of Fe(aq)^(2+) ion.

    Text Solution

    |

  10. What is meant by 'disproportionation' ? Give an example of disproporti...

    Text Solution

    |

  11. Aqueous Cu^(2+) ions are blue in colour, where as Aqueous Zn^(2+) ions...

    Text Solution

    |

  12. What are complex compounds ? Give examples.

    Text Solution

    |

  13. Why do the transition metals forin a large number of complex compounds...

    Text Solution

    |

  14. How do transition metals exhibit catalytic activity?

    Text Solution

    |

  15. Give two reactions in which transition metals or their compounds acts ...

    Text Solution

    |

  16. What is an alloy ? Give example.

    Text Solution

    |

  17. Why do the transition metals readily form alloys ?

    Text Solution

    |

  18. How do the ionic character and acidic nature vary among the oxides of ...

    Text Solution

    |

  19. What is the effect of increasing pH on a solution of potassium dichrom...

    Text Solution

    |

  20. Name the oxometal anions of the first series of transition metals in w...

    Text Solution

    |