1.

A detergent C_2H_2solution becomes a colloidal sol at a concentration of 10^3 MOn an average10^33colloidal particles are present in 1mn^3What is the average number of ion are contain in one colloidal particle (micelle)? [Given NA=6 diamond ^2 ]

Answer»

`6 diamond O^3`
10
60
None of the above

Solution :Number of sodium lauryl SULPHATE`C_3C_2H_4`in 1 litre solution
`10^2=6 diamond^2`
Number of sodium lauryl sulphate PER `m^3 n^1`
Number of colloidal particles per`m^3 m^1`
Number of molecules per colloidal PARTICLE
`=(600)/10^(13) `


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