Write the micelle formula of the sol formed as a result of reaction A (Table 7), determine the charge of the colloidal particle. Represent the structure of a double electric layer in the figure, determine the sign of the charge of the coagulating ion.
Table 7
Reactions leading to the formation of a sol
Option 4
Reaction A
CuSO4 (excess) H2S = CuS(precipitate) H¬2SO4

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