Q.
Presence of peroxide in ethers of old stock can be tested by first treating them with FeSO4 solution and then adding an aqueous solution of....& from red colour solution
Presence of peroxide in ethers of old stock can be tested by first treating them with FeSO4 solution and then adding an aqueous solution of KCNS.
Ethers form peroxides, when come in contact with air and light. Fe3++KCNS→ Red colour