Question

White ppt. of silver gives brown ppt. on boiling, but when it is heated $(>{300}^{\circ }C)$, then a metallic black ppt. is obtained. Identify the compound of silver having white ppt :

• A. $A{g}_{2}S{O}_3$
• B. $A{g}_2{S}_2{O}_3$
• C. $A{g}_{2}C{O}_3$
• D. $AgCl$

Answer 1

The correct option is C $A{g}_{2}C{O}_3$

Option (C) is correct.
The compound of silver having white ppt is $A{g}_{2}C{O}_3$.