1. • Explain the trend in boiling points of Cl2, Br2 and I2.
Week 12
• Explain the trend in boiling points of Cl2, Br2 and I2.
• Explain the trend in reactivity for the Group 7 elements.
• Describe the redox reactions of the Group 7 elements with other halide ions.
• Describe and interpret, using oxidation numbers, the reaction of chlorine with water and aqueous sodium hydroxide.
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2. The physical states of the halogens
Week 12
The physical states of the halogens
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3. Electronic configurations of halogen atoms
Week 12
Electronic configurations of halogen atoms
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4. Week 12
• Interpret and make predictions from the chemical and physical properties of the Group 7 elements/compounds.
• Contrast the benefits and risks of chlorine’s use as a water treatment.
• Describe the precipitation reactions of aqueous anions Cl–, Br– and I– with aqueous silver ions, followed by aqueous ammonia.
• Recognise the use of these precipitation reactions as a test for different halide ions.
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This document may have been altered from the original