Question:
Identify the correct statement regarding lyophilic colloid from the following.
Identify the correct statement regarding lyophilic colloid from the following.
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Lyophilic means solvent loving, and such colloids are stable and reversible.
Updated On: Oct 1, 2026
- It is irreversible.
- It is solvent hating colloid.
- It is formed only by special methods.
- It is solvent loving colloid.
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
Colloids are classed by the attraction between dispersed particles and the dispersion medium. "Lyo" means solvent and "philic" means loving.
Step 2: Check statement (A).
Lyophilic colloids are reversible. After the medium is removed, adding it back brings the colloid again. So (A) is FALSE.
Step 3: Check statement (B).
Solvent hating is the meaning of lyophobic, so (B) is FALSE.
Step 4: Check statement (C).
Lyophilic sols form easily by direct mixing, for example starch in water. Special methods are needed for lyophobic sols. So (C) is FALSE.
Step 5: Check statement (D).
Lyophilic colloid is solvent loving. So (D) is TRUE.
Final Answer:
Only (D) is correct. \[ \boxed{\text{(D)}} \]
Colloids are classed by the attraction between dispersed particles and the dispersion medium. "Lyo" means solvent and "philic" means loving.
Step 2: Check statement (A).
Lyophilic colloids are reversible. After the medium is removed, adding it back brings the colloid again. So (A) is FALSE.
Step 3: Check statement (B).
Solvent hating is the meaning of lyophobic, so (B) is FALSE.
Step 4: Check statement (C).
Lyophilic sols form easily by direct mixing, for example starch in water. Special methods are needed for lyophobic sols. So (C) is FALSE.
Step 5: Check statement (D).
Lyophilic colloid is solvent loving. So (D) is TRUE.
Final Answer:
Only (D) is correct. \[ \boxed{\text{(D)}} \]
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