Alkyl Halides and Aryl HalidesHard

Question

The correct order of reactivity of ${CH}_{3}Br$ in methanol with the following nucleophiles is $F^{-},I^{-},C_{2}H_{5}O^{-}$and $C_{6}H_{5}O^{-}$

Options

A.$I^{-} > C_{6}H_{5}O^{-} > F^{-} > C_{2}H_{5}O^{-}$
B.$I^{-} > C_{2}H_{5}O^{-} > C_{6}H_{5}O^{-} > F^{-}$
C.$I^{-} > C_{2}H_{5}O^{-} > F^{-} > C_{6}H_{5}O^{-}$
D.$I^{-} > F^{-} > C_{6}H_{5}O^{-} > C_{2}H_{5}O^{-}$

Solution

Order of nucleophilicity :

$$I^{\ominus} > C_{2}H_{5}O^{\ominus} > {PhO}^{\ominus} > F^{\ominus}$$

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