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Question

A dilute solution Contains “x” moles of solute “A” in 1 kg of solvent with molal elevation constant kb. The solute dimerises in the solution according to the following equation. The degree of association is α.
2AA2
The von't Hoff factor will be

A
i=12α
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B
i=1α2
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C
i=1+α2
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D
i=1+α
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Solution

The correct option is B i=1α2
A dilute solution Contains “x” moles of solute “A” in 1 kg of solvent with molal elevation constant kb. The solute dimerises in the solution according to the following equation. The degree of association is (α)
2AA2
For association i=1+(1n1)

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