Which one of the following reagents is not su | vedclass

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(A) The reaction shown is the dehydrohalogenation of an alkyl halide to form an alkene,which is an elimination reaction.$NaOEt/EtOH$ (sodium ethoxide

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$NaI$

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(A) The reaction shown is the dehydrohalogenation of an alkyl halide to form an alkene,which is an elimination reaction.$NaOEt/EtOH$ (sodium ethoxide in ethanol) is a strong base and is highly effective for $E2$ elimination reactions.$NaOH/EtOH$ (sodium hydroxide in ethanol) is also a strong base and is commonly used for elimination reactions.$NaOH/H_2O$ (aqueous sodium hydroxide) primarily favors substitution ($S_N2$ or $S_N1$) over elimination because water is a polar protic solvent that solvates the hydroxide ion,reducing its basicity.$NaI$ (sodium iodide) is a nucleophile and is typically used in substitution reactions,such as the Finkelstein reaction,to convert alkyl chlorides or bromides into alkyl iodides. It is not a base and therefore cannot promote an elimination reaction.Thus,both $NaI$ and $NaOH/H_2O$ are not suitable for elimination,but $NaI$ is the most distinct reagent that acts as a nucleophile rather than a base.

Which one of the following reagents is not suitable for the elimination reaction shown in the image?

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