The highest electrical conductivity of the following aqueous solutions is of

  • Option 1)

    0.1 M acetic acid

  • Option 2)

    0.1 M chloroacetic acid

  • Option 3)

    0.1 M fluoroacetic acid

  • Option 4)

    0.1 M difluoroacetic acid

 

Answers (1)

As we learnt in

Conductivity of electrolyte -

It depends on:

1. The nature of electrolyte

2. Size of ions

3. Nature of solvent and its viscosity

4. Concentration of the electrolyte

5. Temperature

-

 

 

Higher the acidity, higher will be the tendency to release protons and hence lighter will be the electrical conductivity. Difluoroacetic acid will be strongest acid due to electron withdrawing effect of two fluorine atoms so as it will show maximum electrical conductivity.


Option 1)

0.1 M acetic acid

This option is incorrect.

Option 2)

0.1 M chloroacetic acid

This option is incorrect.

Option 3)

0.1 M fluoroacetic acid

This option is incorrect.

Option 4)

0.1 M difluoroacetic acid

This option is correct.

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