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In a colloidal system, the voltage difference between the stationary layer and the surrounding diffused layer of opposite charge is referred to as Zeta potential. Higher Zeta potential indicates greater stability of the colloidal particles.

1. Correct.
2. Incorrect.
3. Partially correct.
4. Indeterminate.

Correct answer: Correct.

Solution

Zeta potential is the potential difference between the fixed and diffused layers in a colloidal system. A higher zeta potential indicates greater repulsion between particles, leading to increased stability of the colloidal solution.

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