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Chemistry Revision > Halogenoalkanes > Flashcards

Halogenoalkanes Flashcards

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1
Q

What is nucleophilic substitution?

A

A nucleophile swaps over with a halogen in a reaction eg

C2H5Br + OH- becomes C2H5OH + Br free radicals

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2
Q

What is the test for halide ions?

A

Use ethanol, water and AgNo3 and test the intensity of the precipitate formed
With Cl- , AgCl will be formed white precipitate
With Br-, AgBr will be formed cream precipitate
With I-, AgI will be formed yellow precipitate

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3
Q

Which is a larger factor in halogenoalkane reactions, bond enthalpy or electronegativity?

A

Bond enthalpy

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4
Q

What is a nucleophile?

A

An electron pair donor

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Chemistry Revision (22 decks)

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