Solid NaCl is a bad conductor of electricity | vedclass

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Question

(C) Solid $NaCl$ is a bad conductor of electricity because in the solid state,the $Na^+$ and $Cl^-$ ions are held together by strong electrostatic for

Vedclass · Accepted Answer

In solid $NaCl$ there is no motion of ions

Vedclass · Answer

(C) Solid $NaCl$ is a bad conductor of electricity because in the solid state,the $Na^+$ and $Cl^-$ ions are held together by strong electrostatic forces in a rigid crystal lattice. Due to this,there is no mobility of ions,which is required for the conduction of electricity. In the molten state or aqueous solution,these ions become free to move and thus conduct electricity. Therefore,the correct option is $C$.

List-$I$ (Magnetic property)	List-$II$ (Substance)
$(A)$ Ferromagnetic	$(1)$ $O_2$
$(B)$ Antiferromagnetic	$(2)$ $CrO_2$
$(C)$ Ferrimagnetic	$(3)$ $MnO$
$(D)$ Paramagnetic	$(4)$ $Fe_3O_4$
	$(5)$ $C_6H_6$

Solid $NaCl$ is a bad conductor of electricity since:

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Give examples of crystalline solids and polycrystalline solids.

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 $(4)$ $Fe_3O_4$
$(5)$ $C_6H_6$

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