Gold sol can be prepared by

Colloidal gold sol can be preared by the reduction of soluble salt solution such as AuCl_3 with

Colloidal gold can be prepared by ,

Which of the following metal sols. cannot be prepared by Bredig’s arc method -

Gold sol is prepared by Breding's arc method.

each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: Gold sol is multimolecular and hydrophotic in nature. STATEMENT-2: Gold sol is prepared by Bredig's arc method.

A gold sol is prepared by :

Gold sol not a :