हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Which of the following arrangements shows schematic alignment of magnetic moments of antiferromagnetic substances?

Advertisements
Advertisements

प्रश्न

Which of the following arrangements shows schematic alignment of magnetic moments of antiferromagnetic substances?

विकल्प

MCQ
Advertisements

उत्तर

Explanation:

Antiferro-
magnetic
This arises when
net dipole is zero.
This arises due to
alignment of dipoles
in equal and opposite
direction.

↑ ↓ ↑ ↓ ↑ ↓

Here dipoles
are arranged in
compensatory
way.

MnO, MnO2,
Mn2O, FeO,
Fe2O3, NiC,
Cr2O3, CoO,
Co3O4

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Solid States - Exercises [पृष्ठ १]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
अध्याय 1 Solid States
Exercises | Q I. 4. | पृष्ठ १

संबंधित प्रश्न

What is ferromagnetism?


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.


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:

Ferrimagnetism


What is magnetic susceptibility?


Give the properties of dia/para/ferromagnetic materials.


Substances which are weakly repelled in magnetic field are known as ____________.


Which type of substances would make better permanent magnets?


Fe3O4 (magnetite) is an example of ___________.


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 pairs has only paramagnetic species?


Which of the following is not a ferroelectric compound?


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


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?


Give a reason for the following:

Cu+2 salts are paramagnetic, while Cu+ salts are diamagnetic.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×