Halogens 0.0 / 5 ? ChemistryHalogensASAQA Created by: JasmineRCreated on: 30-04-16 15:04 The relative tendency of an atom in a molecule to attract electrons in a covalent bond to itself Electronegativity 1 of 22 Going down the group of halogens, the melting and boiling points... Increase 2 of 22 The name for a reaction where an element simultaneously oxidises and reduces Disproportionation 3 of 22 Bromine will displace... Iodide ions 4 of 22 When bromide is reacted with silver nitrate solution, what colour precipitate does it produce? Cream 5 of 22 Br- ions reduce S in H2SO4 from +6 to +..... in SO2 Four 6 of 22 Which halogen is the strongest oxidising agent? Fluorine 7 of 22 Which halogen is the weakest oxidising agent? Iodine 8 of 22 When chloride is reacted with silver nitrate solution, what colour precipitate does it produce? White 9 of 22 When iodide reacts with concentrated sulphuric acid, what colour solid of sulphur is produced? Yellow 10 of 22 Silver iodide doesn't react with ammonia because it is too... Insoluble 11 of 22 Silver chloride dissolves in what type of ammonia? Dilute 12 of 22 What is formed when silver bromide dissolves in concentrated ammonia? Complex ion 13 of 22 Fluoride reacts with silver nitrate solution to produce what? No precipitate 14 of 22 What ions are the strongest halide reducing agents? Iodide 15 of 22 Chlorine is used in water treatment to kill... Bacteria 16 of 22 F- and Cl- ions are not strong enough reducing agents to reduce S in H2SO4. No redox reactions occur, only .........-......... reactions Acid-base 17 of 22 When bromide reacts with concentrated sulphuric acid, what colour fumes of HBr are evolved? White 18 of 22 When bromide reacts with concentrated sulphuric acid, what colour fumes of Bromine are evolved? Red 19 of 22 When naming chlorates/sulphates, what must you remember too add? The oxidation number 20 of 22 When chlorine reacts with water it is both simultaneously reducing and... Oxidising 21 of 22 When in aqueous solutions, what will Cl2, Br2 and I2 react with? Cold sodium hydroxide 22 of 22
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