Question

In cranberry glass ,an additive (which is obtaines by the reaction of golf chloride with stannous chloride) used to impact red coloration is

Answer 1

Answer:

Purple of Cassius is a purple pigment formed by the reaction of gold salts with tin(II) chloride. It has been used to impart glass with a red coloration (see cranberry glass), as well as to determine the presence of gold as a chemical test.

Answer 2

In cranberry glass, an additive used to impact red coloration is Purple of Cassius.

• When gold chloride reacts with tin(II) chloride or stannous chloride, a purple pigment is formed. This pigment is called Purple of Cassius.
• If gold chloride and tin chloride are present in the solution, cranberry glass is formed.
• The intensity of the red color depends upon the concentration of gold present.
• This method is used to test the concentration of gold.