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Which one of the following is not an int...

Which one of the following is not an intermediate in the generally accepted mechanism for the reaction shown below ?
`CF_(3)overset(O)overset(||)COH +CH_(3)underset(OH)underset(|)CHCH_(3) overset(H_(2)SO_(4))to CF_(3)overset(O)overset(||)COunderset(CH_(3))underset(|)CHCH_(3)+H_(2)O`

A

`CF_(3)overset(""^(+)overset(* *)(OH))overset(||)C-underset(..)overset( * *)OH`

B

`CF_(3)underset( :underset(..)OH)underset(|)overset(overset(* *)( :O: )^(-))overset(|)C-underset(..)overset( * *)OH-underset(..)overset(* *)OCH(CH_(3))_(2)`

C

`CF_(3)underset( :underset(..)OH_(2))underset(|)overset(overset(* *)( :OH ))overset(|)C-underset(..)overset(* *)OCH(CH_(3))_(2)`

D

`CF_(3)underset( :underset(..)OH_(2))underset(|)overset(overset(* *)( :OH ))overset(|)C-underset(..)overset(* *)OCH(CH_(3))_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
In acidic medium formation of strong base, is not favourable.
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