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elimination vs nucleophilic conditions
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t0897
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In nucleophilic substitution of a halogenoalkane + OH-
Are the conditions aqueous NaOH/KOH in warm OR cold water??
In elimination, does the halogenoalkane react with the OH- base with these conditions:
Warm NaOH in ethanolic conditions
Are the conditions aqueous NaOH/KOH in warm OR cold water??
In elimination, does the halogenoalkane react with the OH- base with these conditions:
Warm NaOH in ethanolic conditions
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Hellllpppp
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I learnt it as substitution has a warm aqueous solution (basically without heat as if it was cold rate would be slow) and elimination has hot and ethanolic. (This was for aqa)
I think you’ve understood the concept though that elimination is favoured at higher temperatures.
Also remember type of halogenoalkane also effects whether it’s substitution or elimination
I think you’ve understood the concept though that elimination is favoured at higher temperatures.
Also remember type of halogenoalkane also effects whether it’s substitution or elimination
- primary mainly substitution
- secondary both substitution and elimination
- tertiary mainly elimination
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t0897
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#3
(Original post by Hellllpppp)
I learnt it as substitution has a warm aqueous solution (basically without heat as if it was cold rate would be slow) and elimination has hot and ethanolic. (This was for aqa)
I think you’ve understood the concept though that elimination is favoured at higher temperatures.
Also remember type of halogenoalkane also effects whether it’s substitution or elimination
I learnt it as substitution has a warm aqueous solution (basically without heat as if it was cold rate would be slow) and elimination has hot and ethanolic. (This was for aqa)
I think you’ve understood the concept though that elimination is favoured at higher temperatures.
Also remember type of halogenoalkane also effects whether it’s substitution or elimination
- primary mainly substitution
- secondary both substitution and elimination
- tertiary mainly elimination
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