X +AgNO_(3)rarr Y (white ppt.) Y is soluble in nitric acid an ammonia. The ppt. becomes yellowish brown upon addition of excess reagent owing to the formation of Z. If aqueous suspension of Y is boiled then it gives same product Z. Here Z is:

X +AgNO_(3)rarr Y (white ppt.) Y is soluble in nitric acid an ammonia

1.	X +AgNO_(3)rarr Y (white ppt.) Y is soluble in nitric acid an ammonia. The ppt. becomes yellowish brown upon addition of excess reagent owing to the formation of Z. If aqueous suspension of Y is boiled then it gives same product Z. Here Z is:
Answer» `Ag_(2)CO_(3)` `Ag` `Ag_(2)O` all of these Solution :`X RARR CO_(3)^(2-), Y rarr Ag_(2)CO_(3), Z rarr Ag_(2)O`