हिंदी

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

Advertisements
Advertisements

प्रश्न

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

एक पंक्ति में उत्तर
Advertisements

उत्तर

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

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
2015-2016 (March)

APPEARS IN

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

What type of magnetism is shown in the following alignment of magnetic moments?


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.


Analysis shows that nickel oxide has the formula Ni0.98O1.00. What fractions of nickel exist as Ni2+ and Ni3+ ions?


Explain the following with suitable examples:

Paramagnetism


Explain the following with suitable examples: 

Antiferromagnetism


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


The complexion [Ni(CN)4]2- is:


Pyrolusite ore is _______.


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


Give the properties of dia/para/ferromagnetic materials.


What happens to the domains in a ferromagnetic material in the presence of external magnetic field?


When heated to high temperature, ferromagnetic substance changes to ____________.


Fe3Ois ____________.


Fe3O4 (magnetite) is an example of ___________.


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


The value of magnetic moment is zero in the case of antiferromagnetic substances because the domains:

(i) get oriented in the direction of the applied magnetic field.

(ii) get oriented opposite to the direction of the applied magnetic field.

(iii) are oppositely oriented with respect to each other without the application of magnetic field.

(iv) cancel out each other’s magnetic moment.


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


The heat of combustion of a substance is:


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.

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:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×