Question

How do colloids differ from solutions with regard to dispersed particle size and homogeneity?

   How do colloids differ from solutions with regard to dispersed particle size and homogeneity?

Chemistry

Paul Flowers, Klaus… 2nd Edition

Chapter 11, Problem 73

Instant Answer

Solved by Expert Aadit Sharma

09/21/2019

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These particles are typically between 1 and 1000 nanometers in size. In contrast, solutions have dispersed particles that are individual molecules or ions, which are typically less than 1 nanometer in size. Show more…

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How do colloids differ from solutions with regard to dispersed particle size and homogeneity?

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Key Concepts

Colloidal Systems

Colloidal systems are mixtures where the dispersed particles are typically in the size range of 1 nanometer to about 1 micrometer. Although these mixtures may appear homogeneous to the naked eye, they exhibit microscopic heterogeneity, which means the particles do not completely blend at the molecular level, leading to phenomena such as the Tyndall effect.

True Solutions

True solutions are homogeneous mixtures in which the solute is dissolved at the molecular or ionic level, resulting in particle sizes generally less than 1 nanometer. This degree of mixing ensures that the solution is uniform throughout, with no visible phase separation or scattering effects.

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