1.

The osmotic pressure of which solution is maximum ( consider that deci-molar solution of each 90% dissociated )

Answer»

Aluminium sulphate
Barium chloride
Sodium Sulphate
A MIXTURE of equal volumes of ( B ) and ( c )

Solution :`Al_(2)(SO_(4))_(3) rarr2Al^(+++) +3SO_(4)^(--) ` ( 5 particles )
`BaCl_(2) rarr BA^(++) +2Cl^(-) ` ( 3 particles )
`Na_(2) SO(4) rarr 2Na^(+) +SO_(4)^(--) ` ( 3 particles )
A mixture of equal volumes.


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