Question

Tyndall effect is observed by a. homogeneous solution b. heterogeneous solution c. colloid d. suspension class 9 lesson 2 chemistry

Answer 1

Tyndall effect is one of the optical properties of the colloidal solutions which are heterogeneous in nature.

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Answer 2

✳ The tyndall effect is observed in:

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✏ Option C

The colloid solutions scatters the beam of light passing through it. As a result, the light becomes visible. This scattering of light by the colloid particles to make the light visible is known as Tyndall effect.

⏺ Reason Why?

The colloid particles are intermediate between the suspension and solution particles. They are large enough to scatter light and hence the path becomes visible I.e. Tyndall effect is observed.

✝️ Examples in daily life!

In our day-to-day life, we genneray observe this tyndall effect, but we don't identify it. You will be astonished, after reading these Examples:

• Tyndall effect is observed when a fine beam of light enters into a dark room with a hole. This happens due to the scattering of light by the tiny dust particles or smoke in the air.
• Tyndall effect is observed when sunlight passes through the canopy of a dense forest. In the forest, mist is generally found in air. The mist means the tiny droplets of water in air. These acts like the colloid particles dispersed in air.

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