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The given graphs//data I, II, II and I...

The given graphs//data ` I, II, II` and ` IV` pepresent general terends obseved of diffent physiorpton and chemisorption processes under mild conditions of temperature and pressure , which of the following choice (s) about `I,II,II ` an` IV` is (are) correcty ?
.

A

I is physisorption and II is chemisorption

B

I is physisorption and III is chemisorption

C

IV is physisorption and II is chemisorption

D

IV is physisorption and III is chemisorption.

Text Solution

Verified by Experts

The correct Answer is:
A, D
Adsorption of the same type of ions on the surface of the colloidal particles causes repulsion in the ions and thus stabilise the colloid. Therefore (a) is correct option.
The potential difference between fixed and diffused layers of oppositely charges is responsible for the s yability of colloid.
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