A simple method to remove peroxides from ethers is to treat them with an aqueous solution of

Question

A simple method to remove peroxides from ethers is to treat them with an aqueous solution of (A)  KI  (B)  KCNS  (C)  Na2S2O3  (D)  Br2

Tardigrade Admin · Accepted Answer

KI is added to old stocks of ethers when I is oxidised to I2 by ether peroxide which itself is reduced to ether 2I- xrightarrowI2+2e- Ether peroxide + 2e- xrightarrow ether +O2 In actual practice, the old stock of ether is repeatedly shaken with KI solution till it ceases to impart brown colour due to liberation of I2 .

Q. A simple method to remove peroxides from ethers is to treat them with an aqueous solution of

$K I$

$K CNS$

$N a_{2} S_{2} O_{3}$

$B r_{2}$

Q. A simple method to remove peroxides from ethers is to treat them with an aqueous solution of

KI

KCNS

Na2​S2​O3​

Br2​

$K I$

$K CNS$

$N a_{2} S_{2} O_{3}$

$B r_{2}$