Home
Class 12
CHEMISTRY
Fe(3)O(4) is:...

`Fe_(3)O_(4)` is:

A

Ferromagnetic

B

Diamagnetic

C

Paramagnetic

D

Ferrimagnetic

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

Unit cell of Fe_(2)O_(4)( Ferrous ferrite ) has 32O^(2-) ions in the unit cell. Then the unit cell of Fe_(3)O_(4) has :

Write the expression for equilibrium constant K_(p) for the reaction, 3 Fe (s) + 4 H_(2)O (g) hArr Fe_(3)O_(4) (s) + 4 H_(2)(g).

0.7 g sample of iron ore was dissolved in acid. Iron was reduced to +2 state and it required 50 " mL of " (M)/(50) KMnO_(4) solution for titration. The percentage of Fe and Fe_(3)O_(4) in the ore is

Consider the following reactions. DeltaH^(@) values of the reactions hve been given as -x, -y and z kJ. Fe_(3)O_(4)(s) to 3Fe(s) + 2O_(2)(g), DeltaH^(@) = z kJ 2Fe(s) + O_(2)(g) to 2FeO(s), DeltaH^(@) =-x kJ 4Fe(s) + 3O_(2)(g) to 2Fe_(2)O_(3)(s), DeltaH^(@) =-y kJ Heat of reaction for the reaction, FeO(s) + Fe_(2)O_(3)(s) to Fe_(3)O_(4)(s) is :

Oxidation number of Fe in Fe_(3)O_(4) are: