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Why is Tyndall effect shown by colloidal...

Why is Tyndall effect shown by colloidal solutions ?

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### Step-by-Step Solution: 1. **Understanding the Tyndall Effect**: The Tyndall effect is the scattering of light when it passes through a colloidal solution. This phenomenon occurs when light encounters particles that are comparable in size to its wavelength. 2. **Particle Size in Colloids**: Colloidal particles typically range from 1 nanometer to 1 micrometer in diameter. This size is significant because it is roughly equal to the wavelength of visible light (approximately 400 to 700 nanometers). 3. **Interaction of Light with Colloidal Particles**: When a beam of light passes through a colloidal solution, the colloidal particles scatter the light in various directions. This scattering is what makes the path of the light beam visible in the colloid. ...
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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-SET-1
  1. Define rate constant (k) ?

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  2. Why is Tyndall effect shown by colloidal solutions ?

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  3. Write the IUPAC name of the following coordination compound [NiCl(4)]^...

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  4. Out of CH(3)OH and phenol (##SBCHMXIIODI2016E01004Q01.png" width="80%...

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  5. What are Associated Colloids ? Given an example.

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  6. Explain the following terms with subitable examples : {:((i),"Frenke...

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  7. Define osmotic pressure of a solution. How is the osmotic pressure ore...

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  8. What happens when (i) Concentrated H2 SO4 is added to calcium fluori...

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  9. Given reasons : (i) Zn is not regarded as a transition element. (ii...

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  10. Write the equations for the preparation of 1-bromobutane from : (i) ...

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  11. Which compound in the following pairs will react faster in SN^(2) reac...

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  12. Silver crystalilises in a fcc lattice. The edge length of its unit is ...

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  13. An aqueous solution of 2 per cent (wt.//wt) non-volatile solute exerts...

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  14. The rates of most reaction double when their temperature is raised fro...

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  15. Explain the following terms : (i) "Peptization"" "(ii)"Loyphobic co...

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  16. Outline the principles of refining of metals by the following methods ...

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  17. Describe the preparation of potassium permanganate. How does the acidi...

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  18. What is lanthanoid contraction? What are the consequences of lanthanol...

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  19. Writen the hybridization, shape and magnetic character of [Fe(CN)(6)]^...

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  20. What happpens when : (i) CH(3)-CI is treated with aqueous KOH? (ii...

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