National 5 Chemistry Alkenes

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Alkenes are a homologous series of...

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unsaturated hydrocarbons.

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Uses of alkenes include making...

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polymers and alcohols.

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Solubility of alkenes in water

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Alkenes are insoluble in water.

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Functional group in alkenes

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C=C double bond.

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General formula for alkenes

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CnH2n.

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Naming alkenes with up to 8 carbon atoms

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Indicate the position of the double bond in straight-chain and branched alkenes.

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Writing molecular and structural formulae for alkenes

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Can be done from systematic names of straight-chain and branched alkenes with up to 8 carbons.

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Addition reactions of alkenes

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Alkenes undergo addition reactions with hydrogen, halogens, and water.

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Hydrogenation of alkenes

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Addition reaction with hydrogen forming alkanes.

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Reaction of alkenes with halogens

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Forms dihaloalkanes.