Question

Which of the following is used for the preparation of colloids ?

(1) Ostwald process

(2) Van Arkel Method

(3) Mond Process

(4) Bredig’s Arc Method

Comments

Surface chemistry, preparation of colloids

Answer 1

Ans. (4) Bredig’s Arc Method

Sol. Bredig’s Arc Method is used for preparation of colloidal sol's of less reactive metal like Au, Ag, Pt.