The metal undergoing disproportionation are:Which of the following species have peroxide ion or peroxy linkage?

The metal undergoing disproportionation are:Which of the following spe

1.	The metal undergoing disproportionation are:Which of the following species have peroxide ion or peroxy linkage?
Answer» Sn Na Cu Ca Solution :Only Sn and Cu metals will UNDERGO DISPROPORTIONATION . Sodium and calcium have FIXED oxidation state of + 1 and + 2. HENCE , these metals will not undergo dispro-portionate. `{:(Sn^(2+)rarrSn+Sn^(4+)),(CurarrCu+Cu^(2+)):}` [ Disproportionation]