The van't Hoff factor of $0.005 M$ aqueous solution of $K C l$ is $1.95$ . The degree of ionisation of $K C l$ is:

0.95

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0.97

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0.94

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0.96

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Solution

The correct option is B $0.95$
The van't Hoff factor is the ratio between the actual concentration of particles produced when the substance is dissolved and the concentration of a substance as calculated from its mass. For most non-electrolytes dissolved in water, the van't Hoff factor is essentially 1.

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