Assume 100% ionisation in the following equimolal aqueous solution :

(a) 1m CaCl₂(b) 1m sucrose (c) 1m AlCl₃(d) 1m KCl

Arrange them in the increasing order of osmotic pressure:

A<D<B<C

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B<D<A<C

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C<A<D<B

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A<B<D<C

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Solution

The correct option is B
B<D<A<C

Osmotic pressure is directly proportional to the number of ions solution (for equimolal solution)

(A)CaCl₂=Ca⁺²+2Cl^- =3 ions

(B) Sucrose (C₁₂ H₂₂ O₁₁) Non electrolyte =1

(C) AlCl₃→Al⁺³+3Cl^- =4ions

(D) KCl→K⁺ +Cl^- =2

B<D<A<C

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Similar questions

Assume 100% ionisation in the following equimolal aqueous solution :

(a) 1m CaCl₂(b) 1m sucrose (c) 1m AlCl₃(d) 1m KCl

Arrange them in the increasing order of osmotic pressure:

C

O

F

C l

B r

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