Question 6 — Assertion (A): Solutions do - Questions at the end of the chapter - Chapter 5 - Exploring Mixtures and their Separation (Exploration)

Last updated at June 28, 2026 by

Assertion (A): Solutions do not exhibit the Tyndall effect. Reason (R): The particles in solutions are larger than 100 nm, so they cannot scatter light.
(i) Both A and R true, R correct explanation. (ii) Both true, R not correct explanation. (iii) A true, R false. (iv) A false, R true.
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The correct option is (iii) A is true, but R is false.

The assertion is true — solutions do not show the Tyndall effect. But the reason is false: solution particles are very small (less than 1 nm), not larger than 100 nm. They are too small to scatter light, which is the real reason solutions show no Tyndall effect.

← Back to concept: 5.5 Tyndall Effect
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