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What is Van't Hoff equation for osmotic ...

What is Van't Hoff equation for osmotic pressure ?

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(i) Boyle-Van.t Hoff law :
" Temperature remaining constant , the osmotic pressure` pi` of a dilute solution is directly proportional to the concentration of the solution ."
`rArr pi prop C or,pi prop 1/V rArr piV = K.`
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Knowledge Check

  • Van't Hoff factor(i):

    A
    Is Less than one in case of dissociation
    B
    Is more than one in case of association
    C
    I = normal molecular mass / observed molecular mass
    D
    I = observed molecular mass / normal molecular mass

  • The van't Hoff reaction isotherm is:

    A
    `triangleG=RT log_g K_p`
    B
    `-trinagleG=RT log_g K_p`
    C
    `triangleG=RT^2 in K_p`
    D
    None of these

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