24. Which compound has a conjugated system? Yo 2 3 a. only 1 b. only 2 c. 1 and 2 d. 1, 2 and 3 25. What is the major organic product obtained from the following reaction? ELECTROPHILIC ADDITION HBr (1 equiv) Me Me Br Br Me Me. Me Me 2 Br Br Me. Me. Me Me 3 4 a. 2 and 4 b. 1 and 2 c. 2 and 3 d. 1 and 3 ELECTROPHILE: HB SUBSTRATE: 2-BromoBUTANE (DOUBLE BOND BETWEEN 2ND + 3RD CARBON (Azores) 26. Which of the following dienes cannot undergo Diels-Alder reactions? о 3 2 1 a. only 4 b. only 3 c. 2 and 3 d. 1 and 4 27. Which of the following dienophiles is the most reactive in Diels-Alder reactions? a. 1 b. 2 c. 3 d. 4 人 OCOMe COME OMe 3 4 2 1

Q: What is the major organic product obtained from the following Claisen reaction? a. 1 b. 2 c. 3 OCH3…

A: The Claisen reaction or Claisen condensation is a carbon–carbon bond forming reaction. In this…

Q: What is the major organic product obtained from the following reaction? a. 1 b. 2 OC. 3 0000

A: Given reaction,

Q: What is the major organic product obtained from the following reaction? 1. NaOCH,CH3 CH3CH2OH…

A: This is a intramolecular Claisen ester condensation called Dieckmann condensation reaction.

Q: Br KOH / DMSO0 6. d. 1,2- a. 2-methylpropene propanediene b. 2-methyl-1-propanol something else! c.…

A:

Q: 28) Which hydrogen atom has the smallest bond dissociation energy from the carbon it is bonding to?…

A: Concept based on the stability of the formation of radical or ion after the bond dissociation. More…

Q: None

A: Step 1: Step 2: Step 3: Step 4:

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A: Introduction :  H2O is a neutral solvent. Depending on the circumstances, it can act both…

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A:

Q: 45. What is the major organic product of the following reaction? Me Br НО. Me 1 a. only 3 b. 1, 2…

A:

Q: What is the product for this reaction given the conditions specified: NAOCH, in CH,OH high…

A:

Q: Give the organic product(s) ? + HBr Br Br Br Br I III IV

A: Here we are required to find the major product for the given reaction  It is an example of addition…

Q: 21. What is a major product of the conjugate addition reaction shown in the box? 1. Base -? Ph 2.…

A:

Q: Give the major organic product of the following reaction:

A: answer attached below Explanation:Step 1: Step 2: Step 3: Step 4:

Q: a. What is the major product of the following reaction?  b. What is the product of the following…

A: Intramolecular Friedel craft acylation, yields the cyclic product. Explanation:

Q: 1. What type of mechanism step is shown below? OH₂ + H₂O a. Nucleophilic addition c. Electrophile…

A: 1. D, Nucleophile elimination2. A, Nucleophilic addition3. B, Electrophilic addition 4. C,…

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A: Alkyl halides give a solvolysis reaction with ethanol to form an ether.

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A: I . ) Good leaving groups are weak bases. They're happy and stable on their own. Some examples of…

Q: Determine which reactions would occur (substitution, elimination, both, or neither). CH;CH;OH

A:

Q: What is the product of the following reaction? A. B. OA OC OD CH3NH₂ (2 equiv) -NH₂ D. ? NH

A: General concept of reaction described here:

Q: 15. Consider the substitution reaction: The product(s) of the reaction is(are): a. R enantiomer C.…

A: Hence option (c) is correct answer..

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A: This reaction is enolate formation by base then alkylation with CH3I through SN2 mechanism.

Q: a. b. C. COOH COOH Δ [1] LDA [2] CH₂CH₂l [1] Brz. CH,CO,H [2] Li₂CO3. LiBr. DMF

A: Note: “Since you have posted a question with multiple sub parts, we will provide the solution only…

Q: 26. Give the major organic product of each reaction. Indicate if a racemic mixture is expected. Br…

A:

Q: Br. 21. H CH3 The compound above can exhibit a. cis-isomerism only b. trans-isomerism only c. both…

A:

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A: Aldehyde or ketone on reaction with Grignard reagent followed by hydrolysis form alcohol.NaBH4 is a…

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A: Please find the anwer attached as handwritten note.

Q: Predict the final major organic product. 1. Hg(OAc)2, H20 2. NABH4 use only R-isomer 1. TSCI, pyr 2.…

A:

Q: None

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A: Na in liquid NH3 converts alkyne to trans alkeneCH2N2 converts alkene to cyclopropane

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A: Benzene gives an aromatic electrophilic substitution reaction.  When the benzene reacts with an acyl…

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Q: F. F SO3H SO3H A B

A: The above reaction is an example of electrophilic aromatic substitution.

Q: 18. Of the following structures the most stable carbocation is: a. I b. II c. IV d. III e. I y…

A: In this question, we will Identify the most stable carbocation.  You can see details explanation…