Halogenoalkanes Flashcards

1
Q

2 different types of mechanism in hydrolysis of halogenoalkane s

A

Sn1
Sn2

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2
Q

Sn1

A

Only 1 reactant molecule or ion is present in the rate determining slow step of this reaction

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3
Q

What halogenoalkanes undergo Sn1?

A

Tertiary sometimes secondary

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4
Q

How many steps does Sn1 occur in?

A

2

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5
Q

Sn1 rate equation

A

Only has 1 molecule in it: shows only 1 molecule must be present in the rate determining step

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6
Q

Sn1 hydroxide ion reacts…

A

After the rate determining step because it is not in the rate equation: only 1 molecule present in rate determining step

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7
Q

Intermediate phase is in…

A

Sn1 where the polar bond breaks between carbon and halogen

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8
Q

Why do tertiary halogenoalkane undergo sn1?

A

Because due to the presence of 3 alkyl groups to the carbon that the halogen is bonded to, there is little space for the OH- nucleophile to attack the carbocation
So must occur in 2 steps

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