Select the correct statement regarding colloi | vedclass

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(D) $1$. Gold sol is prepared by the reduction of $AuCl_3$ with formaldehyde or stannous chloride and is known to be negatively charged. Thus,statemen

Vedclass · Accepted Answer

Both $A$ and $C$ are correct.

Vedclass · Answer

(D) $1$. Gold sol is prepared by the reduction of $AuCl_3$ with formaldehyde or stannous chloride and is known to be negatively charged. Thus,statement $A$ is correct.$2$. Peptization is the process of converting a freshly prepared precipitate into a colloidal sol by adding a suitable electrolyte,not a method of purification. Thus,statement $B$ is incorrect.$3$. Persistent dialysis removes the electrolyte that stabilizes the sol,leading to the coagulation of the colloidal particles. Thus,statement $C$ is correct.$4$. Since both $A$ and $C$ are correct,the correct option is $D$.

Select the correct statement regarding colloidal systems.

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