Which of the following will show Tyndall effect?
(i) Aqueous solution of soap below critical micelle concentration.
(ii) Aqueous solution of soap above critical micelle concentration.
(iii) Aqueous solution of sodium chloride.
(iv) Aqueous solution of sugar.
Which of the following will show Tyndall effect?
(i) Aqueous solution of soap below critical micelle concentration.
(ii) Aqueous solution of soap above critical micelle concentration.
(iii) Aqueous solution of sodium chloride.
(iv) Aqueous solution of sugar.
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1 Answer
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This is a Multiple Choice Type Questions as classified in NCERT Exemplar
Ans: Correct option is (ii).
Tyndall effect is defined as the optical property shown by colloidal particle. Above the critical micelle concentration, a solution of soap behaves as an associated colloid so it shows Tyndall effect hence the answer is (ii).
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