Ionic solids are poor conductors of electricity because .......
- AIons do not conduct electricity.
- BIons are not free and mobile.
- CIons in the solid do not have fixed positions.
- DIons have a uniform field around them.
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Similar Questions
Write a note on metallic solids.
Medium
View SolutionAssertion : Stability of a crystal is reflected in the magnitude of its melting point.
Reason : The stability of a crystal depends upon the strength of the interparticle attractive force.
Reason : The stability of a crystal depends upon the strength of the interparticle attractive force.
DifficultAIIMS 2009
View Solution$A$ hard substance melts at high temperature and is an insulator in both solid and in molten state. This solid is most likely to be a / an :
Match the items in List-$I$ with their corresponding items in List-$II$.
List-$I$ (Magnetic property) List-$II$ (Substance) $(A)$ Ferromagnetic $(1)$ $O_2$ $(B)$ Antiferromagnetic $(2)$ $CrO_2$ $(C)$ Ferrimagnetic $(3)$ $MnO$ $(D)$ Paramagnetic $(4)$ $Fe_3O_4$ $(5)$ $C_6H_6$
| List-$I$ (Magnetic property) | List-$II$ (Substance) |
|---|---|
| $(A)$ Ferromagnetic | $(1)$ $O_2$ |
| $(B)$ Antiferromagnetic | $(2)$ $CrO_2$ |
| $(C)$ Ferrimagnetic | $(3)$ $MnO$ |
| $(D)$ Paramagnetic | $(4)$ $Fe_3O_4$ |
| $(5)$ $C_6H_6$ |
Explain the following with suitable examples:
$(iii)$ Ferrimagnetism
$(iii)$ Ferrimagnetism
Easy
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