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An increase in equivalent conductance of...

An increase in equivalent conductance of a strong electrolyte with dilution is mainly due to:

A

increase in number of ions

B

increase in the ionic mobility of ions

C

100% ionisation of the electrolyte at normal dilution

D

increase in both i.e. number of ions and ionic mobility of ions.

Text Solution

Verified by Experts

The correct Answer is:
B
Strong electrolyte is completely ionized at all concentrations . Therefore, the number of ions remains the same on dilution. However on dilution. The interionic forces decrease. Consequently the ionic mobility increases. Hence the equivalent conductance increases.
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