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    Can someone check this mechanism for me please? Especially for the second alkene formation.

    Also, I've used H+, is this from "2H+" and SO4-?

    Also, can this reaction not be an elimination reaction? A lone pair from oxygen of the H2SO4 attacks a H which forms a double bond and releases OH (dehydration)?

    Could the reaction above (my mechanism) be classed as dehydration?
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    (Original post by ps1265A)


    Can someone check this mechanism for me please? Especially for the second alkene formation.

    Also, I've used H+, is this from "2H+" and SO4-?

    Also, can this reaction not be an elimination reaction? A lone pair from oxygen of the H2SO4 attacks a H which forms a double bond and releases OH (dehydration)?

    Could the reaction above (my mechanism) be classed as dehydration?
    The only thing that moves in a mechanism is electron pairs... you might like to re-assess your mechanism as you have an arrow from a positive charge ...

    ... but other than that it looks ok.
 
 
 
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