A) 2.15 g
B) 2.48 g
C) 2.32 g
D) 2.64 g
Correct Answer: A
Solution :
| [a] Unlike other metal carbonates that usually decomposes into metal oxides, liberating carbon dioxide, silver carbonate on heating decomposes into elemental silver liberating mixture of carbon dioxide and oxygen gas as |
| \[A{{g}_{2}}(s)\xrightarrow[{}]{Heat}2Ag(s)+C{{O}_{2}}(g)+\frac{1}{2}{{O}_{2}}(g)\] |
| \[MW=276g\] \[2\times 108=216g\] |
| Hence, 2.76 g of \[A{{g}_{2}}C{{O}_{3}}\] oh heating will give |
| \[\frac{216}{276}\times 2.75=2.16g\] Ag as residue. |
You need to login to perform this action.
You will be redirected in
3 sec
