SN1 reaction

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    Analysis Of Sn1 Reaction

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    The expression "SN1" is the abbreviation of "unimolecular nucleophilic substitution reaction", one of the most common reactions in organic chemistry. As a fundamental reaction type, the mechanism of SN1 reaction has long been clear to the researchers, and the rate of the reaction concluded from the mechanism is quite simple. According to the mechanism, the rate of an "ideal" SN1 reaction is only proportional to the concentration of the substrate, which can be expressed as the following formula: rate=k[RX] ([RX] is the concentration of the substrate). However, experiments have shown some exceptions including some of which follow the formula at the early period of the reaction but change the rates later (O. T. Benfey, E. D. Hughes, and C. K.…

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    The goal of this lab was to conduct the reaction of 2-methyl-2-butanol with HCl to form 2-chloro-2-methylbutane, and to understand Sn1 and Sn2 reactions, in terms of how they are different and why one is more likely to happen over the other. The OH group in 2-methl-2-butanol is attached to a tertiary Carbon, meaning the reaction should occur via Sn1, a two-step reaction, and Cl should replace the OH group, to form a tertiary halide. HCl was added to 2-methyl-2-butanol and then several…

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    What is SN2? This is a Nucleophilic Substitution reaction where there are 2 components in the rate determining step. It occurs simultaneously as bonds are made and broken at the same time. During the backside attack, a nucleophile attacks the electrophile from the back and causes an inverse in configuration. This attack causes a leaving group to leave. A transition state is formed while this reaction occurs, which is when the leaving group and nucleophile are attached at the same time. What…

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    6. If t-butyl bromide was used as a substrate instead of t-butyl chloride the reaction rate would stay the same. The mechanism will still be SN1 reaction for the same reasons as t-butyl chloride. Such as, t-butyl bromide is tertiary alkyl halide like t-butyl chloride which will also favors SN1 reaction when reacted with water, a weak nucleophile. It will also form 30 carbocation which are more stable in SN1 reaction mechanisms as having more R groups (CH3 in this experiment) on the carbon with…

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    CHEM2130-001 12/8/2017 A Wittig Reaction of trans-Cinnamaldehyde Statement of Question: What is the stereochemistry in the Wittig product, and why is it formed? Hypothesis: There were two possible stereochemical outcomes for this experiment, either cis, (E,Z), or trans, (E,E). The cis product, (E,Z), would form if the double bond and phenyl group added to the same side. The trans product, E,E), would form if the double bond and phenyl group were to add to the opposite sides. The product of…

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    Nucleophilic aliphatic substitution involves chemical reactions where a neutral molecule or an anion called a nucleophile substitutes a leaving group by attacking an electrophilic, Lewis acidic carbon atom. Leaving groups are molecular compounds that are departed and replaced by the nucleophile. This interconversion is commonly known as the attack of the nucleophile. Two different mechanisms…

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    Introduction: Chemical reactions are a process that involves, rearranging the molecular structure of substances to create new ones. There are 3 types of chemical reactions, firstly there's synthesis, (e.g. 2Na + Cl2 → 2NaCl); then, the other type of reaction is decomposition (CaCO3 → CaO + CO2); and finally there is combustion. Combustion is a rapid chemical combination of a substance (fuel) with oxygen, including the production of heat and light (e.g. CH4 + 2O2 → CO2 + 2H2O). In these types…

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    Sn2 Reaction Lab Report

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    Nucleophilic substitution Nucleophilic substitution reaction is that in which attacking nucleophile replaces a leaving group. Attacking nucleophile: specie with an electron free pair or negative charge and ability to replace already present nucleophile i.e OH- Leaving group: A specie with electron deficiency or positive charge, negative charge i.e Cl- What is SN1 Reaction:- SN1 indicates the unimolecular nucleophilic substitution reactions. Their rate determining step of the mechanism depends…

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    The experiment outlined by this lab report demonstrated the idea of synthesizing tert-butyl chloride through an SN1 reaction. The SN1 reaction took place with a polar protic solvent taking the place of the leaving group (alcohol) and creating a new replacement bond with the carbocation to form a tertiary chloride structure. The product was then tested for this structure by reacting it with two substances: sodium iodide and silver nitrate. These tests were to demonstrate that if the product…

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    When a hydrogen atom of an alkane is replaced by halogens, they become an alkyl halide compound which can also be called haloalkanes. There are two types of reaction within the alkyl halides. When another atom replaces the halide ion, the reaction becomes a substitution reaction, and when the halide ion leaves with another atom or ion, it becomes an elimination reaction (Weldegirma, 2015). The substitution reaction can be divided into either electrophilic substitution or nucleophilic…

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