Group 16 (oxygen family): ozone, sulphur allotropes, sulphuric acid, oxides
p-Block Elements · Chemistry
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Concentrated H₂SO₄ chars sugar black. Explain the dehydrating action. Step 1: Conc. H₂SO₄ has huge affinity for water (hydration enthalpy). Step 2: C₁₂H₂₂O₁₁ → 12C + 11H₂O — it rips H and O out as water. Step 3: Black carbon column rises (classic demo). Step 4: Same property dries gases and causes severe skin burns — respect it!
Related topics
- Group 13 (boron family): borax, boric acid, diborane, aluminium compounds
- Group 14 (carbon family): allotropes of carbon, CO, CO2, silicones, silicates
- Group 15 (nitrogen family): ammonia, oxides of nitrogen, nitric acid, phosphorus allotropes, phosphoric acid
- Group 17 (halogens): chlorine, HCl, oxoacids of halogens, interhalogen compounds
- Group 18 (noble gases): xenon fluorides and oxides
- Inert pair effect