(a)
To determine: A mechanism for the given reaction.
Interpretation: A mechanism for the given reaction is to be calculated.
Concept introduction: The
(b)
To determine: The structure of rate limiting transition state.
Interpretation: The structure of rate limiting transition state is to be drawn.
Concept introduction: The chemical reaction which proceeds through the formation of radicals is known as chain reaction. It involves three steps, initiation, propagation and termination. Generally, the initiation step occurs in the presence of light. The quantum yield of chain reactions is very high.
(c)
To determine: The intermediate that closely resembles to rate limiting transition state.
Interpretation: The intermediate that closely resembles to rate limiting transition state is to be predicted.
Concept introduction: According to Hammond’s postulate, the structure of transition state resembles to the structure of compound that has energy near to it.
(d)
To determine: The explanation for high reactivity of bromine with cyclohexene than cyclohexane.
Interpretation: The explanation for high reactivity of bromine with cyclohexene than cyclohexane is to be stated.
Concept introduction: The chemical reaction which proceeds through the formation of radicals is known as chain reaction. It involves three steps, initiation, propagation and termination. Generally, the initiation step occurs in the presence of light. The quantum yield of chain reactions is very high.
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EP ORGANIC CHEMISTRY -MOD.MASTERING 18W
- Which of the following reaction may have a different reaction mechanism compared to the others? a. Hydration b. Hydrohalogenation c. Halogenation d. Ether formationarrow_forwardWhat would be the effect on the rate of reaction if the concentration of the nucleophile weredoubled in an…a. SN1 reaction? Briefly explain.b. SN2 reaction? Briefly explain.arrow_forwardWhat is the major difference between the base-catalyzed and acid-catalyzed processes for nucleophilic addition of water to aldehydes and ketones? a. The base-catalyzed reaction takes place rapidly because hydroxide ion is a much better nucleophile than neutral water. b. The rate of reaction in base catalyzed process is slower than acid catalyzed process. c. The acid-catalyzed reaction takes place rapidly because the protonated carbonyl compound is a much better electrophile than the neutral compound. d. Only 1 and 3 are correct.arrow_forward
- Write a mechanism for this reaction below.arrow_forwardSynthesize each compound from toluene and any other organic or inorganic reagents. a. C6HSCH2BR b. C6HSCH2OC(CH3)3 -CHO с. O,N НООС -NO2 d. H,N.arrow_forwardDraw all possible constitutional isomers formed by dehydrohalogenation of each alkyl halide.arrow_forward
- What alkenes are formed from each alkyl halide by an E2 reaction? Label the major and minor products Hint: Remember Zaitsev's rule! a. Br b. Br C.arrow_forwardA. Draw the products of the reaction shown below. Use wedge and dish bonds to indicate the dicarbonyl starting material of the reaction shown below. Ignore inorganic stereochemistry. Ignore inorganic byproducts. byproducts. Draw the products resulting from addition of a Grignard reagent to an aldehyde. D. Draw the products resulting from addition of a Grignard reagent to an aldehydom Use a dash or wedge bond to indicate the stereochemistry of substituents on asymmetric centers, where applicablelgnore any inorganic byproducts. Use a dash or wedge bond to indicate the stereochemistry of substituents on asymmetric centers, where applicablelgnore any inorganic byproducts. 1.00 2. NHSO HO 2.HO Select to Draw 1) PhMgCl (CHMgC CH 2) HCI/H:O ++ 1) vinylmagnesium chloride (CH=CHC 2HC/H.O Select to Edit OH Select to Edit Select to Edearrow_forwardWhich is/are NOT TRUE about bimolecular nucleophilic substitution reactions? Select one or more: 1. A carbocation intermediate is formed. 2. A strong nucleophile displaces a halogen atom in a concerted mechanism. 3. Presence of polar aprotic solvents promotes this reaction. 4. Methyl halides react faster than secondary alkyl halides.arrow_forward
- Consider the two alkene additions reactions a. What are the major products for each reaction? b. What is the mechanism for each reaction? c. Which reaction would be faster and why? Use words like “transition-state, intermediate and/or reactant/product stability” in your justification. Draw the reaction coordinate diagram for both to assist in your explanation.arrow_forwardS. Classify the following reagents as either nucleophiles or electrophiles: Znt, CH,NH2, HS, OH, , CH,COOH, H,SO,arrow_forward3) Draw the structures of the following: a. 3-bromo-3,4-dimethyl-1-hepten-5-yne b.Acetylene c. 1-ethylnyl-2-methylcyclohexanearrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage LearningOrganic ChemistryChemistryISBN:9781305580350Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. FootePublisher:Cengage Learning