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RF overset(SbF(5))(rarr) Aoverset(H(2)o)...

`RF overset(SbF_(5))(rarr) Aoverset(H_(2)o)rarrB`
Identify the product `B`

A

An alcohol

B

An aldehyde

C

An ether

D

A carboxylic acid

Text Solution

Verified by Experts

The correct Answer is:
A
Dissolved in the extremely powerful Lewis acid `SbF_(5)`, alkyl fluorides (and also other halides) undergo ionization to form the carbocation:

It is an acid-base reaction. `SbF_(5)` ( a superacid) is an even stronger Lewis acid than the alkyl carbocation and thus keeps the base (the fluoride ion).
When the solution contaning `R^(+)SbF_(6)^(-)` is diluted with water, the alkyl carbocation combines combines with water ( a nucleophile) to produce an alcohol :
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