On adding FeCl 3 solution into NaOH solution- a possitively charged colloidal sol is obtained when the following are mixed-A- 100 mL of 0-1 M FeCl 3-100 mL of 0-1 M NaOHB- 50 mL of 0-1 M FeCl 3-200 mL of 0-1 M NaOHC- 10 mL of 0-1 M FeCl 3-50 mL of 0-1 M NaOHD- 200 mL of 0-1 M FeCl 3-800 mL of 0-1 M NaOH

Since the ppt is Fe(OH)3, Fe+3 ion must be in excesses to get positively charged colloid ...

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Applications of Colloids

On adding FeC...

Question

On adding FeCl₃ solution into NaOH solution, a possitively charged colloidal sol is obtained when the following are mixed:

100 mL of 0.1 M FeCl₃ + 100 mL of 0.1M NaOH

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50 mL of 0.1 M FeCl₃ + 200 mL of 0.1M NaOH

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10 mL of 0.1 M FeCl₃ + 50 mL of 0.1M NaOH

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200 mL of 0.1 M FeCl₃ + 800 mL of 0.1M NaOH

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