Home
Class 12
CHEMISTRY
2. Some d - block elements are given bel...

2. Some d - block elements are given below: (Cr,Mn,Fe,Cos,Ni) a. Identify the element which shows maximum paramagnetic behaviour: b. Give reason for the highest paramagnetic property of that element. c. When two electrons, are Iost from each atom, is there any change:in' magnetic properties of - each. Explain?

Text Solution

Verified by Experts

a. Cr (Chromium) b. As there are six unpaired electrons in .(Cr)., it has the maximum paramagnetic behaviour, TABLE
(Cr)^(2+)=3 (~d)^(4) dot(Min)^(2)=3 (~d)^(5) (Fe)^(2+)=3 (~d)^(6) ...
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    V PUBLICATION|Exercise QUESTION BANK|126 Videos
  • The p-BLOCK ELEMENTS

    V PUBLICATION|Exercise QUESTION BANK|147 Videos

Similar Questions

Explore conceptually related problems

Some d- block elements are given below. Cr, Mn, Fe, Co, Ni:- Identify The element which shows maximum paramagnetic behaviour.

Some d- block elements are given below. Cr, Mn, Fe, Co, NI:- Give reason for the highest paramagnetic property of that element.

When two electrons are lost from following atom, is there any change in magnetic properties of each? Explain which has maximum magnetic property.Mn, Cr, Fe.

Assertion : All isotopes of a given element show the same type of chemical behaviour. Reason : The chemical properties of an atom are controlled by the number of electrons in an atom.

Transition elements are d-block elements, with some exceptions. Usually they are paramagnetic. They show variable oxidation states. They and their compounds show catalytic property What is the reason for their catalytic property?

The order of reactivity of some metais elements are given below. Na gt Mg gt Zn gt Fe gt Ni gt H gt Cu a) Which element looses a lustre most easily in exposure to air? b) Which is the element that cannot displace Hydrogen from di. HCI?

Transition elements are d-block elements, with some exceptions. Usually they are paramagnetic. They show variable oxidation states. They and their compounds show catalytic property. Which is more paramagnetic: Fe^(2+)or Fe^(3+) . Why?

Transition elements are d-block elements, with some exceptions. Usually they are paramagnetic. They show variable oxidation states. They and their compounds show catalytic property Zn (atomic number 30) is not a transition element, though it is a d-block element. Why?

Some details of the atoms X and Y are given below. a) Find the mass number of elements X and Y. b) Find the relationship between these two atoms. c) Write there electronic configuration.

V PUBLICATION-THE d- AND f- BLOCK ELEMENTS-QUESTION BANK
  1. What can be inferred from the magnetic. Moment values of the following...

    Text Solution

    |

  2. 1. Read the conversation: ZINC:Oh …..Manganese and iron....you are Iu...

    Text Solution

    |

  3. 2. Some d - block elements are given below: (Cr,Mn,Fe,Cos,Ni) a. Ident...

    Text Solution

    |

  4. During the estimation of Mohr's: salt. by using potassium permanganate...

    Text Solution

    |

  5. The following is a part of d-block of the periodic table '(##VPUHSS...

    Text Solution

    |

  6. Mn exhibits large number of oxidation states in its compounds: Which ...

    Text Solution

    |

  7. Transition elements show various oxidation -states and many, of the tr...

    Text Solution

    |

  8. On what ground can you say that Sc(Z=21) is a transition element but Z...

    Text Solution

    |

  9. Silver atom has completely filled d- orbitals (4d") in its ground stat...

    Text Solution

    |

  10. Calculate the magnetic moment of the divalent ion in aqueous solution ...

    Text Solution

    |

  11. Actinoid contraction is greater from element to element than lanthanoi...

    Text Solution

    |

  12. Chromium (Cr), Molybdenum (Mo) and Tungsten '(W)' are hard metals wher...

    Text Solution

    |

  13. Cuprous ion (Cu+) can not be considered as a transition element while ...

    Text Solution

    |

  14. The atomic radii of the second and third transition series are almost ...

    Text Solution

    |

  15. d-block elements have high melting and boiling points. Why?

    Text Solution

    |

  16. Manganese and technetium have very low melting points. Why?

    Text Solution

    |

  17. Name the transition element with highest density?

    Text Solution

    |

  18. K2PTCl6' is a well known compound while the corresponding nickel salt ...

    Text Solution

    |

  19. Copper cannot liberate (H)(2). from acids. Why?

    Text Solution

    |

  20. Copper is the onty elemerit in the 1st transition series with a posit...

    Text Solution

    |