Question

An SN2 reaction is a bimolecular substitution reaction. Bimolecular means that two different compounds are important for determine the rate (kinetics), they are the [select 1] There are two major factors that affect the substrate's reactivity, they are the strength of the [select 2] and the steric hindrance or [select 3]
Choise are below [Select 1] - solvent and substrate - substrate and nucleophile - solvent and nucleophile - leaving group and nucleophile - substrate and leaving group - solvent and leaving group [Select 2] - leaving group - nucleophile - solvent -substrate [Select 2] - polarity of solvent - charge of nucleophile - crowding around leaving group

Answer 1

The compounds are important for determine the rate (kinetics), they are the substrate or electrophile and nucleophile. substrate's reactivity, affected  the strength leaving group and the steric hinderance or crowding around.

The  SN² reaction is a bimolecular substitution reaction. Bimolecular means that two different compounds are important for determine the rate (kinetics), they are the substrate and the electrophile.

There are two major factors that affect the substrate's reactivity, they are the strength of the leaving group and the steric hindrance  or crowding around leaving group.

Thus, An SN² reaction is the bimolecular and substrate and the nucleophile are important for the rate determination.

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