Question

Ether can be freed from peroxide by shaking with 

(a) ferrous salt solution 

(b) copper sulphate solution 

(c) ferric salt soluion 

(d) none of these

Answer 1

Ether can be freed from peroxide by shaking with (a) ferrous salt solution

Ethers can be freed from peroxide by distilling these with conc. H2SO4 or by shaking with ferrous salt solution.

Answer 2

(a) ferrous salt solution 

Ether can be freed from peroxide by shaking with ferrous salt solution.