Home
Class 12
CHEMISTRY
Assertion:The conversion of fresh precip...

Assertion:The conversion of fresh precipitate to colloidal state is called peptization. Reason: It is caused by adsorption of common ions.

A

If both (A) and (R) are correct, and (R) is the correct explanation of (A)

B

If both (A) and (R) are correct, but (R) is not the correct explanation of (A)

C

If (A) is correct, but (R) is incorrect

D

If (A) is incorrect, but (R) is correct

Text Solution

Verified by Experts

The correct Answer is:
B
It is caused by adsorption of common ions on the surface of the precipitate resulting into repulsion and fragmentation.
Promotional Banner

Similar Questions

Explore conceptually related problems

Statement 1: The conversion of fresh precipitate to colloidal state is called peptization. Statement 2 : It is caused by addition of common ions.

Assertion: A sol of As_2S_3 prepared by the action of H_2S on As_2O_3 is negatively charged. Reason: It is due to the absorption of H^+ ions on the surface of the colloidal particle and S^(2-) ions in the diffused layer.

Assertion : The process in which nutrient rich water bodies develop plant population is called eutrophication. Reason:Eutrophication helps enhancement of plants & animals population by providing them oxygen. If both Assertion and Reason are true and the Reason is the correct explanation of Assertion, If both Assertion and Reason are true but Reason is not the correct explanation of Assertion, If Assertion is true but the Reason is false, If both Assertion and Reason are false

Assertion : Glucose gives a reddish brown precipitate with Fehling's solution. Reason : Reaction of glucose with Fehling's solution gives CuO and gluconic acid.

The process of converting a colloidal solution into precipitate Is called ______