1.

(a) NO_(2)^(-) interface in the Ring Test of NO_(3)^(-) Suggest a chemical method for removal of NO_(2)^(-).(b)I interface in the Ring of NO_(3)^(-). Suggested chemical reagent that can remove I

Answer»

Solution :By bolling the mixture with `NH_(4)CL,NO_(2)^(-)` is decomposed as `N_(2)`
`NaNO_(2)+NH_(4)OVERSET(Delta)toNaCl+N_(2)uarr+2H_(2)O`
`HgCl_(2)`removes l as Hg`l_(2)`
`Hgl_(2)toHgl_(2)darr+2Cl`


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