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Which of the following solution are isot...

Which of the following solution are isotonic with respect to 0.5 M NaCl solution having degree of dissociation=0.8.

A

153.9gm of sucrose dissolved in 500ml of solution.

B

`0.3"m aQ"."Na"_(2)"SO"_(4)` solution undergoing 100% ionization.

C

`1.8%"w"//"w aQ."` NaOH solution undergoing 100% ionization.

D

1.2M benzoic acid in a solution of benzene where the acid dimerzes to an extent of 50%

Text Solution

Verified by Experts

The correct Answer is:
A,B,C,D
For NaCl:-
`"ic"=0.5xx[1+(2-1)0.8]0.9" M"`
For Sucrose solution:-
`"ic"=153.9/342xx2=0.9" M"`
For `"Na"_(2)"SO"_(4)` solution:-
`"ic"=0.3xx3=0.9" M"`
For NaOH :-
`"ic"=1.8/40xx10xx2=0.9"M"`
For Benzene acid :-
`"ic"=0.2xx3/4=0.9`
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