Why is benzene less reactive toward electrophiles than an alkene, even though it has more π electrons than an alkene (six versus two)?

Q: What is the major organic product from the reaction of 3-hexyne with 1 mole of Br2? a. (E)…

A: The solution is shown below

Q: Which is most reactive in electrophilic aromatic substitution? (A) (B) CH3 (C) CF3 (D) OCH3

A: Rate of Electrophile aromatic substitution increase as density of electron increase on benzene ring…

Q: 7. Which of the following is aromatic? Å

A: We need to find the aromatic compound among these.

Q: When 2-bromo-2,3-dimethylbutane reacts with a strong base, two alkenes (2,3-dimethyl-1-butene and…

A: An E2 reaction is a concerted, one-step reaction in which the proton and the halide ion are removed…

Q: The heats of hydrogenation of cycloheptene and 1,3,5-cycloheptatriene are 110 kJ/mol (26.3 kcal/mol)…

A: The resonance energy of 1,3,5-cycloheptatriene has to be determined and the resonance energy of…

Q: Which of the following reagents would you use to prepare Chlorocyclópentane from cyclopentene? OC2/…

A:

Q: What reagents are needed to convert cyclopentene into (a) bromocyclopentane; (b) trans-…

A: Reagents that are needed to convert cyclopentene into following are to be identified-(a)…

Q: When 2-bromo-2,3-dimethylbutane reacts with a strong base, two alkenes (2,3-dimethyl-1-butene and…

A: An E2 reaction is a concerted, one-step reaction in which the proton and the halide ion are removed…

Q: Explain why the addition of HBr to alkenes A and C is regioselective, forming addition products B…

A: Since in case of A, the product formed is because the stability of +ve charge will be more at the…

Q: Is the reaction of 2-butene with HBr regioselective?

A: To find: Is the reaction of 2-butene with HBr regioselective

Q: Complete the missing information for compounds A, B, and C, each subjected to hydrogenation. The…

A:

Q: What two stereoisomeric alkanes are formed from the catalytic hydrogenation of…

A: The given compound is (z)-3-methyl-2-hexene which is an alkene.

Q: Which compounds can be prepared in high yield by halogenation of an alkane? (a) 2-Chloropentane (b)…

A: Tertiary carbocations are more stable than the secondary carbonation. The formation of tertiary…

Q: The compound para-dichlorobenzene is the active ingredient of the bathroom deodorizer "Albatross".…

A: Acid can be defined as the substance that give hydrogen ions in aqueous solution. For example…

Q: 13. Describe each molecule as a nucleophile, electrophile, both, or neither: a) CH3S b) CH3OH2 c)…

A: The species given are,

Q: Draw the organic products formed when cyclopentene is treated withfollowing reagent.  [1] OsO4 +…

A: Osmium tetroxide is an osmium coordination entity consisting of four oxygen atoms bound to a central…

Q: 3-hexyne + 1 mole of Br2 → (c) CH3CH2CECCH2CH3 + H2O/H2SO4 → (d) stable structure

A: Alkyne in the presece of Br2 give addition reaction and in the presence of H2O / H2SO4 give…

Q: This reagent produces alcohols from alkenes and adds primarily in a Markovnikov orientation     1)…

A: This reagent produces alcohols from alkenes and adds primarily in a Markovnikov orientation :

Q: If cis-2-butene is treated with meta-chloroperbenzoic acid what is the final product? Hil Hil CH…

A: Meta perchlorobenzoic acid is also called m-CPBA. It is reagent for epoxidation of alkene.  When…

Q: Compound A has molecular formula C5H10. Hydroboration-oxidation of compound A produces…

A:

Q: One compound that contributes to the “seashore smell” at beaches in Hawai‘i is dictyopterene D', a…

A:

Q: According to Zaitsev’s rule, which compound will be the major product for the elimination of…

A: In this question, we want to identify the major product for the Elimination Reaction of…

Q: 8. +) Draw the structure of (2S,3S)-2-chloro-3-methylhexane. Use wedges and dashes (where…

A: Answer :

Q: Which combination of reagents would you use to prepare chlorobenzene (C6H5Cl) from benzene (C6H6)?…

A: Benzene reacts with halogen like Cl2 or Br2 in an electrophilic substitution reaction in presence of…

Q: Assign E or Z stereochemistry to the double bonds in each of the fol- lowing alkenes, and convert…

A: The configuration E is used to describe alkenes where the two highest priority substituents are on…

Q: Explain the apparent paradox. Although the addition of one equivalent of HX to an alkyne is more…

A: The more exothermic reaction is the addition reaction to alkynes than alkenes. It can be explained…

Q: n רוו AROMATIC (10 e) ANTI-AROMATIC (8 e)

A: Given: Aromatic Anion (10e) and  anti- aromatic cation (8 e)

Q: What reagents / catalysts are necessary to carry out each conversion? i) Benzene to nitrobenzene ii)…

A: The transformation of Benzene to nitrobenzene can be carried out by nitration. The reagents…

Q: Explain the use of crown ethers in nucleophilic substitution reactions ?

A: Given Explain the use of crown ethers in nucleophilic substitution reactions ?

Q: Upon hydrogenation, which of the following alkenes

A:

Q: Which is the product of the reaction of 1-methylcyclohexene with H20/H2SO4? CH3 CH3 CH3 "OH "CH3 "ОН…

A:

Q: (Hydrogenation): 3,3-dimethylcyclopentene + H2 – (hydrohalogenation reaction): 2,4-dimethyl-3-hexene…

A:

Q: Draw a diagram to show the orbitals involved in forming the conjugated six-pi-electron system…

A: Hückel rule of aromaticity :  If any planar , conjugated , cyclic ring system posses  4n+2 π…

Q: Explain Orientation Effects in Substituted Benzenes ?

A: An organic compound which has six carbon atoms and six hydrogen atoms bonded together to form a…

Q: D. isoamyl alcohol 38. An aromatic ring should satisfy Huckel's rule, wherein the number of…

A: Aromatic compounds are those which obey Huckel rule and which has 4n + 2 pie electrons.

Q: Heat SO2 +

A:

Q: Explain why the addition of HBr to alkenes A and C is regioselective, forming addition products B…

A:

Q: The markovnikov product for the reaction of methylcyclopentene with H2O)/H* is: Он А. В. HO C.

A: Markonikov addition reaction is the product form from the more substituted side of alkene.

Q: what is the difference between the cyclopentadienyl anion and pyrrole?

A: These two compounds are aromatic compounds. The cyclopentadiene is unusually acidic because loss of…

Q: NAL NEL NIL NOL 7. an E-alkene 8. has the most negative heats of hydrogenation 9. the most stable…

A: The alkenes given are,

Q: 9) For the reaction between isopropyl 1-propyl (or 'n-propyl') ether and HBr, what are the expected…

A: option A

Q: Which stereoisomer of 3,4-dimethyl-3-hexene forms (3S,4S)-3,4-dimethylhexane and…

A: Alkenes react with H2 in the presence of metal catalysts such as palladium or platinum to yield the…

Q: 38. An aromatic ring should satisfy Huckel's rule, wherein the number of electrons participating in…

A: "To get remaining sub-parts solved please repost the complete question and mention the sub-parts to…

Q: Explain why (S)-2-butanol forms a racemic mixture when it is heated in sulfuric acid.

A: Since (S)-2-butanol is a secondary alcohol. Hence it will undergo SN1 reaction  Hence it will form…

Q: Write reactions of Propene with the following reagents: a. Br2 /CCl4. b. HCl. c. KMnO4/H2O/ 20 °C

A: The question is based on the concepts of Organic reactions. we have been given propene.  we have to…

Q: Electrophilic aromatic substitution usually occurs at the 1-position of naphthalene, also called the…

A: Naphthalene undergoes electrophilic aromatic substitution in the first position. The structure of…

Q: ethane + H. alkene X + Y ethanol I3D a) State the identification of i. Alkene X; ii. Compound Y b)…

A:

Q: Draw a structural formula of the major alkene formed in each b-elimination.

A: The given chemical reaction is,