haloalkanes Flashcards

1
Q

common nucleophiles

A

hydroxide :OH-
ammonia :NH3
cyanide ion :CN-

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2
Q

nucleophile

A

an atom which is attracted to an electron deficient centre where it donates a pair of electrons to form a new covalent bond

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3
Q

heterolytic fission

A

breaking of a covalent bond in which one of the atoms recieves both the electrons from the bond

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4
Q

homolytic fission

A

breaking of a covalent bond in which each of the bonded atoms receives one of the bonding electrons

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5
Q

radical

A

a species with an unpaired electron

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6
Q

steps of radical substitution

A

initiation, propagation, termination

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7
Q

limitations of radical substitution

A
  • can’t prevent further substitution
  • can occur at different positions on the chain
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