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Resonance

Which of the ...

Question

Which of the following substance possess antiferromagnetic property?

A

C r O_{2}

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B

F e_{3} O_{4}

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C

H_{2} O

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D

M n O

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Solution

The correct option is D $M n O$
$M n O$ show antiferromagnetism having domain structure similar to ferromagnetic substance, but their domains are oppositively oriented and cancel out each other's magnetic moments.

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Similar questions

Q. (A) Antiferromagnetic substances possess zero magnetic moment.
(R) MnO is an antiferromagnetic substance.

Q. What type of substance shows antiferromagnetic property?

Q. Which of the following substance is antiferromagnetic?

Q. Which property of hydrogen is shown by the following reactions?

F e_{3} O_{4} + 4 H_{2} \to 3 F e + H_{2} O

C O + H_{2} C r_{2} O_{3} - --- \to Z n O_{3} C H_{3} O H

Q. Molecules/ions and their magnetic properties are given below

Molecule/Ion	Magnetic property
(i) $C_{6} H_{6}$	(1) Antiferromagnetic
(ii) $C r O_{2}$	(2) Ferrimagnetic
(iii) $M n O$	(3) Ferromagnetic
(iv) ${F e}_{3} O_{4}$	(4) Paramagnetic
(v) ${F e}^{3 +}$	(5) Diamagnetic

The correctly matched pairs in the above is:

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