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Surface Chemistry — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistrySurface Chemistry1 Mark
MCQ
Which of the following will show Tyndall effect?
  • A
    Aqueous solution of soap below critical micelle concentration.
  • ✓
    Aqueous solution of soap above critical micelle concentration.
  • C
    Aqueous solution of sodium chloride.
  • D
    Aqueous solution of sugar.
✓

Answer

Correct option: B.
Aqueous solution of soap above critical micelle concentration.
Tyndall effect is the optical property shown by the colloidal particle. Above critical micelle concentration, a solution of soap behaves as associated colloid that is why it shows tyndall effect.

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