Explain why is the formation of some isomers become more favorable over the others. As an example, why are the products that are para are more favorable than products that are ortho (with regards to para-ortho-meta directors).

Q: The triphenylmethyl cation is so stable that a salt such as triphenylmethyl chloride can be isolated…

A: The species in which carbon carries a positive charge is called as carbocation. Carbocations are…

Q: Give the major organic product(s) for each step of the following reaction

A: The details solution for this is provided below in attach image.

Q: Which one of the molecules shown below prefers to exist as its enol tautomer?

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Q: Which of the following carbocations is least likely to rearrange? +) A B D

A: Carbocation rearrangement takes place where there is a chance of transforming a less stable…

Q: A) Give the product(s) for each step and the final product of the following reactions.

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Q: Which of the following is the most likely structure of the following carbocation after rearrangment…

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Q: According to Hammond's postulate, which of the following is correct? The structure of the…

A: Endothermic reaction- Reaction in which heat energy is absorbed by system from surrounding. Energy…

Q: Why is there a difference in racemization for the two reactions even though they both include the…

A: Bromine is an excellent leaving group compared to hydroxyl group. Hence, in case of 2-bromobutane,…

Q: in terms of ortho/para and meta directors, give the major products formed and indictae why

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Q: Both compounds A and B below give the same carbocation intermediate C in the SN1 reaction. However,…

A: In this question, we will Identify which Compound ( A or B ) give carbocation intermediate ( C )…

Q: The compound shown here is highly unreactive under conditions that favor E2 reactions. Explain why.…

A: Reactions can have either substitution type of mechanism or an elimination type of mechanism. In a…

Q: Alkyl diazonium salts (shown below) are considered "super" leaving groups; a consequence of this is…

A: Alkyl diazonium salts are the excellent leaving group because R- N2+ because nitrogen is an…

Q: For which reaction mechanisms—SN1, SN2, E1, or E2—of thefollowing statement true? A statement may be…

A: We know that SN1, E1 and SN2, E2 mechanisms follow the first and second order kinetics respectively.

Q: Compounds containing triple bonds are also Diels–Alder dienophiles.With this in mind, draw the…

A: Diels-Alder reaction is type of cycloaddition pericyclic reaction . It is [4+2] type cycloaddition…

Q: Rank the reactive intermediates by decreasing stabilization, most stable first. (ranking, e.g. like,…

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Q: In the E2 reaction of 2-bromopentane with sodium tert-butoxide, 1-pentene is favored over 2-…

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Q: 0° CN is a nucleophile . hence it strong undergo SN2 Kh. CN CNO SN2

A: Both the anions undergo substitution reaction because both are good nucleophiles and good…

Q: A) Label the α-carbon and β-carbons in each of the following molecules. Draw the β-elimination…

A: The carbon atom to which the bromine atom is attached is α Carbon.  The carbon lying next to α…

Q: What are the relevant transition states for this reaction?

A: This is an elimination reaction. Potassium tertiary butoxide (tBuOK) is a strong and very bulky…

Q: Which double bond is more reactive in the molecule below? Explain. Draw the major product expected…

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Q: What hybridization best describes the reacting carbon in the SN2 transition state?

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Q: Rank the following carbocations in order of decreasing stability. Most stable

A: Carbocations are electron-deficient species that are formed by the removal of a hydrogen atom from…

Q: substitution SEY the stereochemistry at the reaction center of the will end up with the The SN2 type…

A: SN2 reaction is a bimolecular Substitution reaction and the rate of reaction depends on both…

Q: The attached reaction does not afford the major product that is given.Explain why this is so, and…

A: The alkyl halide is a tertiary alkyl halide, and the reagent is a strong base. The reaction is an…

Q: Rank the following carbocations in order of decreasing stability, putting the most s II Multiple…

A: Stability of carbocation is as 3°>2°>1°  We can see that I is a 3° Carbocation as the carbon…

Q: Why does the final product has the opposite configuration compared to the reactant? Shouldn’t it…

A: Here, the given compound is secondary alcohol. When, methylsulfonyl chloride (or mesyl chloride)…

Q: Carbocation rearrangement of the cation on the right gives: A) B) D) two of the above

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Q: Rank the following carbocations in terms of stability from lowest to highest. to A B C D

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Q: CH2 = CH2 + Br+ –- +CH2-CH2Br This is a step in a reaction where is the electrophile Radical Br+…

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Q: Why the relative reactivity of SN2 is tertiary<secondary<primary<allyl, phenyl ? (explanation)

A: In this question, we will discuss on relative reactivity of SN2 you can see the explanation below.…

Q: imes the kinetic product is the same as the thermodynamic product.) + Br2 ?

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Q: What is the complete mechanism using curved arrow formalism of the two products shown below? Explain…

A: Here we are required to find the mechanism for the reaction given

Q: Which ion in each of the following pairs is better leaving group? Why?

A: Weak bases are good leaving group. They are stable ion. Weaker the bases , better the leaving group.…

Q: 5) Carbocation forms in the reaction of: A) SN1 B) SN2 C) Both D) Cannot determined

A: Given that : We have to identify in which reaction(s) carbocation is formed : A) SN1 B) SN2 C) Both…

Q: For each pair of compounds, a state which compound is the better SN2 substrate. (a) cyclohexyl…

A: An SN2 reaction is a substitution reaction in which the rate of the reaction depends on both the…

Q: How do I rank these from best to poorest leaving group? Do I base it in the size of the…

A: We have to rank leaving group tendency :-

Q: Why are particular orientation effects observed? Why are some groups ortho,para directors and some…

A: Orientation effects are observed in the case of the aromatic system.  The substituents on the ring…

Q: why does this carbocation go through rearrangemnt by a hydride shift?

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Q: The triphenylmethyl cation is so stable that a salt such as triphenylmethyl chloride can be isolated…

A: The stability order of carbocation is 30 &gt; 20 &gt; 10.

Q: Rank the following alkenes in order of stability || IN ||| =

A: In this question, we will arranged all these three alkene compound in stability order. Remember most…

Q: Draw the reaction of a conjugated diene with either HX (HCI, HBr, or HI), X2 (C12, Br2), or with a…

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Q: What is/are the major product(s) of this reaction? b) Which reagents best accomplish this…

A: Exam 2 Chem 109a Fall 2004Please put your name and perm number on both the exam and thescantron…

Q: which term describes the next mechanistic step in the catalytic cycle of the heck's reaction

A: A multiple choice question based on alkene, which is to be accomplished.

Q: In the most efficient Wittig synthesis, the halide. Which of these compounds would the alkene in the…

A: Wittig reaction involves the formation of alkenes from aldehydes or ketones using…

Q: Draw the (pericyclic) reaction (reaction 1), including all mechanistic steps, that lead from the…

A: To draw the mechanistic steps of reaction 1, show all isomers that can be formed and determine the…