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14								15		16				17
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Across 4. A species that donates a lone pair of electrons 6. The type of chemical reaction with water or an aqueous solution of a hydroxide that causes a bond to break the molecule into two 7. A radical that can catalyse the breakdown of ozone 8. C-Hal bonds are described as p____ 10. CFCs and HCFCs were commonly used in _______________________ and in air conditioning units 12. Term to describe a straight or branched chain haloalkane 13. The colour of a silver iodide precipitate 14. an example of a nucleophile 18. A white precipitate of this forms from silver nitrate + chloride ions 20. Halogens are more __________ than the carbon atom in the C-Hal bond

Down 1. These haloalkanes are unreactive due to the strong C-Hal bond 2. Mechanism for when a haloalkane reacts with a nucleophile 3. The rate of hydrolysis depends on the strength of the C-Hal bond. Which haloalkane hydrolyses fastest? 5. This breaks down ozone into 2 oxygen atoms 9. The rate of hydrolysis of haloalkanes with water can be followed using an aqueous solution of _____ ______ 11. chloroethane is this type of haloalkane 15. Haloalkanes are insoluble in water but soluble in _____________ 16. Has the formula O3 17. The colour of a silver bromide precipitate 19. General formula is CnH2n+2