(C) Iron is a ferromagnetic material. When heated above a specific temperature known as the Curie point $(T_C)$,the thermal energy becomes sufficient

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(C) Iron is a ferromagnetic material. When heated above a specific temperature known as the Curie point $(T_C)$,the thermal energy becomes sufficient to overcome the exchange interactions that align the magnetic moments. Consequently,iron loses its ferromagnetic property and becomes paramagnetic at temperatures above the Curie point.

Class 12 Chemistry d-and f-Block Elements General Characteristics

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Iron loses its magnetic property at:

A
Melting point
B
$1000 \ K$
C
Curie point
D
Boiling point

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d-and f-Block Elements

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General Characteristics

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Iron loses its magnetic property at:

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The metal ion (in gaseous state) with the lowest spin-only magnetic moment value is .... .

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