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15 cards from this deck
One atom/group replaced by another atom/group in a molecule
Substitution reactions
Atom/group with an unpaired electron
Dot (•) next to chemical symbol
UV light or heat
Bond breaks, each atom gets one electron from the bond
Initiation, Propagation (×2), Termination
Cl2→2Cl∙\text{Cl}_2 \rightarrow 2\text{Cl}^\bulletCl2→2Cl∙
Cl∙+CH4→HCl+CH3∙\text{Cl}^\bullet + \text{CH}_4 \rightarrow \text{HCl} + \text{CH}_3^\bulletCl∙+CH4→HCl+CH3∙
CH3∙+Cl2→CH3Cl+Cl∙\text{CH}_3^\bullet + \text{Cl}_2 \rightarrow \text{CH}_3\text{Cl} + \text{Cl}^\bulletCH3∙+Cl2→CH3Cl+Cl∙
Free radicals combine to form stable molecules
Ethane (C2H6\text{C}_2\text{H}_6C2H6) from methyl radicals combining
Increase rate by providing more free radicals
CH4+Cl2→CH3Cl+HCl\text{CH}_4 + \text{Cl}_2 \rightarrow \text{CH}_3\text{Cl} + \text{HCl}CH4+Cl2→CH3Cl+HCl
C6H12+Br2→C6H11Br+HBr\text{C}_6\text{H}_{12} + \text{Br}_2 \rightarrow \text{C}_6\text{H}_{11}\text{Br} + \text{HBr}C6H12+Br2→C6H11Br+HBr
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