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  • which of the following compounds will most readily be dehydrated to give alkene---A)4-hydroxypentan-2-one B)3-hydroxypentan-2-one

which of the following compounds will most readily be dehydrated to give alkene---A)4-hydroxypentan-2-one B)3-hydroxypentan-2-one

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3-Hydroxypentan-2-one and 4-Hydroxypentan-2-one will most readily be dehydrated to give alkene under acidic condition. This will lead to formation of α−β unsaturated ketone. But out of both 4-Hydroxypentan-2-one will most readily be dehydrate to give alkene under acidic condition.
Note: Dehydration of 2-Hydroxycyclopentanone will lead to C=C double bond in 5 member ring that will cause strain and product is less likely to be formed.

 will mostly readily dehyrated to give conjugate alkene

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