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Standard XII
Chemistry
Question

The effect of dilution on conductances shows:
  1. increase in conductivity
  2. increase in molar conductivity
  3. increase in equivalent conductivity
  4. decrease in conductance

A
decrease in conductance
B
increase in conductivity
C
increase in molar conductivity
D
increase in equivalent conductivity
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Solution
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On dilution, the equivalent conductivity and the molar conductivity increases. This is because the degree of dissociation and the total number of ions increases. However the conductivity decreases as the number of ions per unit volume decreases.

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Similar Questions
Q1

What is the effect of dilution on specific, molar, equivalent conductance?

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Q2
State True or False.
The conductances, equivalent conductivity and molar conductivity increase with dilution.
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Q3
Consider the following statements.
(i) Molar conductance of H+ is much higher than those of other ions
(ii) Equivalent conductivity and molar conductivity increase with dilution
(iii) Specific conductivity decreases with dilution
(iv) Conductance K+<Na+<Li+ in water
Identify the correct statement.
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Q4
Assertion :Conductivity of weak electrolytic solution decreases with dilution whereas equivalent conductivity, molar conductivity increases with dilution. Reason: On dilution, the ionic mobility and number of ions present in solution increases but the number of ions per mL decreases.
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Q5
The increase in the equivalent conductance of a salt solution on dilution is due to increase in the:
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