मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Iron (z=26) is highly ferromagnetic. Explain. - Chemistry

Advertisements
Advertisements

प्रश्न

Iron (z=26) is highly ferromagnetic. Explain.

एका वाक्यात उत्तर

उत्तर

Iron (z = 26), with electronic configuration [Ar] 3d6 4s2, contains four unpaired electrons. Hence, iron is strongly ferromagnetic.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2015-2016 (March)

APPEARS IN

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

Define the following term: Ferromagnetism


Write the type of magnetism observed when the magnetic moments are oppositely aligned and cancel out each other.


What type of substances would make better permanent magnets, ferromagnetic or ferrimagnetic. Justify your answer.


Give reasons:Ferrimagnetic substances show better magnetism than antiferromagnetic substances.


The complexion [Ni(CN)4]2- is:


Explain why:
(i) Transition elements form coloured compounds. 
(ii) Interhalogen compounds are more reactive than their constituent elements.
(iii) Cu+ is diamagnetic but Cu2+ is paramagnetic. (Z = 29)


Out of [CoF6]3- and [Co(en)3]3+, which one complex is
(i) paramagnetic
(ii) more stable
(iii) inner orbital complex and
(iv) high spin complex
(Atomic no. of Co = 27) 


The BH curve for a ferromagnetic material is shown in the figure. The material is placed inside a long solenoid which contains 1000 turns/cm. The current that should be passed in the solenonid to demagnetize the ferromagnet completely is


Compare dia, para and ferromagnetism.


Compare the properties of soft and hard ferromagnetic materials.


Example of ferromagnetic substance is ____________.


Substances that are strongly attracted by the applied magnetic field and can be permanently magnetized are ____________.


Assertion: On heating ferromagnetic or ferrimagnetic substances, they become paramagnetic.

Reason: The electrons change their spin on heating.


A ferromagnetic substance becomes a permanent magnet when it is placed in a magnetic field becuase ______.


Which one of the following would feel attraction when placed in magnetic field: Co2+, Ag+, Ti4+, Zn2+ 


Which one of the following homo-diatomic molecule is paramagnetic?


The heat of combustion of a substance is:


Some of the polar crystals when heated produces small electrical current. This phenomenon is called ______.


Given below are two statements labelled as Assertion (A) and Reason (R).

Assertion: Magnetic moment values of actinides are lesser than the theoretically predicted values.

Reason: Actinide elements are strongly paramagnetic.

Select the most appropriate answer from the options given below:


Magnetic materials used for making permanent magnets (P) and magnets in a transformer (T) have different properties of the following, which property best matches for the type of magnet required ?


Which of the following statements are correct?

  1. Electric monopoles do not exist whereas magnetic monopoles exist.
  2. Magnetic field lines due to a solenoid at its ends and outside cannot be completely straight and confined.
  3. Magnetic field lines are completely confined within a toroid.
  4. Magnetic field lines inside a bar magnet are not parallel.
  5. χ = -1 is the condition for a perfect diamagnetic material, where x is its magnetic susceptibility.

The value of aluminium susceptibility is 2.2 × 10-5. The percentage increase in the magnetic field if space within a current carrying toroid is filled with aluminium is  `"x"/10^4`. Then the value of x is ______.


Which of the following is not paramagnetic?


Match items of List - I with those of List - II:

  List - I   List - II
  (Property)   (Example)
(A) Diamagnetism  (i) MnO
(B) Ferrimagnetism (ii) O2
(C) Paramagnetism (iii) NaCl
(D) Antiferromagnetism (iv) Fe3O4

Choose the most appropriate answer from the options given below:


The metal complex ion that is paramagnetic is ______.

(Atomic number of Fe = 26, Cu = 29, Co = 27 and Ni = 28)


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×