Colloidal solutions of gold prepared by diffe | vedclass

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(A) The colour of colloidal solutions depends on the wavelength of light scattered by the dispersed particles. This wavelength further depends on the

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The difference in the size of the colloidal particles

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(A) The colour of colloidal solutions depends on the wavelength of light scattered by the dispersed particles. This wavelength further depends on the size and nature of the particles. In the case of gold sol,the size of the colloidal particles varies depending on the method of preparation,which leads to the scattering of different wavelengths of light,resulting in different colours.

Colloidal solutions of gold prepared by different methods have different colours owing to

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