Which of the following decomposition of carbonate is redox ?

Options

A. `Ag_(2)CO_(3)`
B. `H_(2)CO_(3)`
C. `PbCO_(3)`
D. `Li_(2)CO_(3)`

Answer

A

Explanation

`overset(+1)(Ag_(2)) CO_(3)^(- -2) to underset(Ag^(0)+(1)/(2)O_(2)^(0))underset(darr)(Ag_(2) O) +CO_(2)`