Answer:
Ether is formed.
Explanation:
Firstly, [tex]Hg^{2+}[/tex] is formed upon dissociation of [tex]Hg(OAc)_{2}[/tex].
Secondly, [tex]Hg^{2+}[/tex] coordinates with double bond in alkene to produce a three membered cyclic cation.
Thirdly, alcohol gives nucleophilic addition reaction with the cyclic cation.
Lastly, [tex]NaBH_{4}[/tex] gives reduction by breaking C-Hg bond to produce an ether.
Reaction scheme has been shown below.
When an alkene is subjected to treatment with Hg(OAc)2 in alcohol, followed by reaction with NaBH4, an ether is formed at the end of the reaction.
An alkene contains a carbon - carbon double bond (C=C). It is capable of addition reactions in which an atom or group is added across the carbon - carbon double bond to yield a saturated compound.
When an alkene is subjected to treatment with Hg(OAc)2 in alcohol, followed by reaction with NaBH4, an ether is formed at the end of the reaction. The reaction proceeds through a cyclic mercuric cation intermediate which is attacked by ROH to yield the ether product in the presence of NaBH4.
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