halogenoalkanes Flashcards

1
Q

two types of mechanisms that halogenoalkanes do

A

nucleophilic substitution

elimination

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2
Q

what does the rate of a substitution reaction depend on

A

the strength of the C-X bond

weaker bond = easier to break = faster reaction

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3
Q

halogenoalkane + aqueous hydroxide ions reagents, conditions and mechanism and products

A

pottasium/sodium hydroxide, aqueous solution, heat under reflux, nucleophilic substitution, alcohol formed

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4
Q

halogenoalkane + cyanide reagents, conditions and mechanism and products

A

KCN reagent dissolved in ethanol/water mixture, heated under reflux, nucleophilic substitution, nitrile formed

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5
Q

halogenoalkane + ammonia all info

A

NH3 dissolved in ethanol, heated under pressure in a sealed tube, nucleophilic substitution, forms amine

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6
Q

how to maximise yield of halogenoalkane + ammonia products

A

use excess ammonia to prevent further substitution

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7
Q

elimination reaction of halogenoalkanes reaction info

A

potassium/sodium hydroxide reagent, ethanolic and heat conditions, forms alkene

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8
Q

definition of elimination reaction

A

removal of a small molecule (often water) from the organic molecule

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