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Non Life Sciences => Chemistry => Topic started by: chemistryrules on 21/05/2011 10:20:43

Title: what would be observed if concentrated sulphuric acid was added to solid NaI?
Post by: chemistryrules on 21/05/2011 10:20:43

Why?

Title: what would be observed if concentrated sulphuric acid was added to solid NaI?
Post by: lightarrow on 22/05/2011 11:08:41

I^- is oxidated to I₂
The reason is that I^- is easily oxidable, especially in very acidic conditions. Conc. sulph acid acts as very acid and oxidant too. It can also oxidate metal Cu tu CuSO₄ (especially if hot).