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Actually it won't. The dehydration is not part of its catalytic properties.wanton-wonton said:I think if you write in the exam 'The catalyst acts as a dehydration agent'...that should be enough. I think.
So how do you answer it then?Xayma said:Actually it won't. The dehydration is not part of its catalytic properties.
Except that is hydration not dehydration.wanton-wonton said:describe the dehydration of ethanol to ethylene and identify the need for a catalyst in this process and the catalyst used
The reaction requires a catalyst as the water molecule itself will not attack the electrons in the ethene double bond.
Is that enough?
Yes I know. I was referring to another dot-point.Xayma said:Except that is hydration not dehydration.
Isn't this reaction an E2 reaction? Bimolecular... I thought whether a reaction is E1 or E2 has nothing to do with how many steps it undergoes.. What steps anyway?nit said:Depending on conditions, this will all occur in one step or two (ie E1 or E2 reactions occur)...
mitochondria said:Isn't this reaction an E2 reaction? Bimolecular... I thought whether a reaction is E1 or E2 has nothing to do with how many steps it undergoes.. What steps anyway?
is that not what is occuring ? :Snit said:ok, I'd say E2 because we're dealing with a primary alcohol, and carbocations are stabilised mostly by the polarizable alkyl groups of a tertiary substrate.
In terms of the steps, well E2 is the elimination analogue of Sn2, and E1 is the elimination analogue of Sn1. For E1, the leaving group leaves, leaving behind a carbocation substrate. Elimination thus occurs in two steps.