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In the molten state (liquid state) ionic...

In the molten state (liquid state) ionic compounds conduct electricity.

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In molten state, the electrostatic force of attraction is small and the cations and anions are free to move and thus conduct electricity.
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Knowledge Check

  • Can sodium chloride conduct eletricity in the solid state ? (A)Solids do not conduct electricity. (B)The ions of NaCl become mobile only in molten state and are not free to move in solid state. (C)The crystalline structure does not have ions. (D)When a bond is formed between ions they lose their charges.

    A
    Solids do not conduct electricity.
    B
    The ions of NaCl become mobile only in molten state and are not free to move in solid state.
    C
    The crystalline structure does not have ions.
    D
    When a bond is formed between ions they lose their charges.

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    (a) Show the formation of magnesium chloride and sodium chloride by transfer of electrons. (b) Identify the ions present in these compounds. (c) Why do ionic compounds not conduct electricity in the solid state?

    Identify the following substance : A gas which does not conduct electricity in the liquid state but conducts electricity when dissolved in water.

    Explain the following: HCl is a covalent compound still it conducts electricity in its aqueous state.

    In the solid state, electrovalent compounds are poor conductor of electricity. Give reason.

    Ionic compounds are good conductors of electricity. Explain.

    Explain the following: (a) Sodium chloride is an ionic compound which does not conduct electricity in solid state whereas it does conduct electricity in molten state as well as in aqueous solution. (b) Reactivity of aluminium decrease if it is dipped in nitric acid. (c) Metals like calcium and magnesium are never found in their free state in nature.

    Give reasons for the following: Electrovalent & polar covalent compounds conduct electricity in aqueous solution state

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