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(a) NO(2)^(-) interferes in the Ring Tes...

(a) `NO_(2)^(-)` interferes in the Ring Test of `NO_(3)^(-)`. Suggest a chemical method for removal of `NO_(2)^-`

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To solve the problem of how to remove `NO2^(-)` which interferes in the ring test of `NO3^(-)`, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Interfering Ion**: The interfering ion in the ring test is `NO2^(-)` (nitrite ion). 2. **Choose a Chemical Reagent**: ...
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