IIT-JEE Exam

The colour of light absorbed by an aqueous solution of CuSO4 is :
(A) organge-red (B) blue-green
(C) yellow (D) violet

Read Solution (Total 0)

IIT-JEE Other Question

The carboxyl functional group ( COOH) is present in
(A) picric acid (B) barbituric acid
(C) ascorbic acid (D) aspirin Choose the correct reason(s) for the stability of the lyophobic colloidal particles.
(A) Preferential adsorption of ions on their surface from the solution.
(B) Preferential adsorption of solvent on their surface from the solution.
(C) Attraction between different particles having opposite charges on their surface.
(D) Potential difference between the fixed layer and the diffused layer of opposite charges around the colloidal
particles.