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How does the molar conductance of an ele...

How does the molar conductance of an electrolyte vary with dilution ?

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Molar conductance of an electrolyte increases upon dilution because its degree of ionsation(a) increases.
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At infinite dilution, when the dissociation of electrolyte is complete, each ion makes a definite contribution towards the molar conductance of electrolyte, irrespective of the nature of the other ion with which it is associated. the molar conductance of an electrolyte at infinite dilution can be expressed as the sum of the contributions from its individual ions. A_(x)B_(y) rarr xA^(y+)+yB^(x-) Lambda_(m)^(@)(A_(x)B_(y))=xlambda_(A^(y+))^(@)+ylambda_(B^(x-))^(@) where, x and y are the number of cations and anions respectively. The degree of ionisation 'alpha' of weak electrolyte can be calculated as : alpha=Lambda_(m)/Lambda_(m)^(@) The molar conductances at infinite dilution for electrolytes BA and CA are 140 and 120 ohm^(-1) cm^(2) mol^(-1) . If the molar conductance at infinite dilute dilution of BX is 198 ohm^(-1) cm^(2) mol^(-1) , then at infinite dilution, the molar conductance of CX is :

At infinite dilution, when the dissociation of electrolyte is complete, each ion makes a definite contribution towards the molar conductance of electrolyte, irrespective of the nature of the other ion with which it is associated. the molar conductance of an electrolyte at infinite dilution can be expressed as the sum of the contributions from its individual ions. A_(x)B_(y) rarr xA^(y+)+yB^(x-) Lambda_(m)^(@)(A_(x)B_(y))=xlambda_(A^(y+))^(@)+ylambda_(B^(x-))^(@) where, x and y are the number of cations and anions respectively. The degree of ionisation 'alpha' of weak electrolyte can be calculated as : alpha=Lambda_(m)/Lambda_(m)^(@) The unit of molar conductance of an electrolyte solution will be :

Assertion Molar conductance of an electrolyte increases with dilution Reason Ions move fast in dilute solutions.

Statement-1: Molar conductance of any electrolyte increases with dilution. Statement-2: With dilution number of ions per mL of the solution decreases.

The molar conductivity of strong electrolyte

Explain with a graph the variation of molar conductivity of a strong electrolyte with dilution.

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