A) \[C{{H}_{3}}OH\] is more polar than DMSO and \[C{{H}_{3}}CN\]
B) \[C{{H}_{3}}OH\] is less polar than DMSO and \[C{{H}_{3}}CN\]
C) unsolvated \[{{F}^{-}}\]ion is DMSO or \[C{{H}_{3}}CN\] acts more efficiently as nucleophile
D) \[-OH\]group is a better leaving group than \[{{F}^{-}}\]ion
Correct Answer: C
Solution :
In methyl alcohol, \[{{F}^{-}}\]ion is solvated but in DMSO or \[\text{C}{{\text{H}}_{\text{3}}}\text{CN}\](aprotic solvent) \[{{F}^{-}}\] ion is not solvated. Unsolvated \[{{F}^{-}}\] ion acts more efficiently as a nucleophile.
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