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Among the following the solution which s...

Among the following the solution which shows the lowest osmotic pressure is
a. 0.14 M NaCl , b. 0.05 M `CaCl_(2)` ,
c. 0.04 M `K_(3)[Fe(CN)_(6)]` , d. 0.03 M `FeCl_(3)`

Text Solution

Verified by Experts

`pi=C_("effective")RT`
a.`C_("effective")=0.1 xx2 =0.2 M`
b.`C_("effective")=0.05 xx3 =0.15 M`
c.`C_("effective")=0.04 xx4 =0.16 M`
d.`C_("effective")=0.03 xx4 =0.12 M`
`rArr C_("effective")` is lowest for (d).
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