
(a)
Interpretation:
The reagents required to convert benzene to the following compounds have to be identified.
Chlorobenzene
Concept Introduction:
- Benzene is an electron rich Aromatic compound. It undergoes aromatic electrophilic substitution reaction.
- The delocalized nature of pi electrons in benzene attributes a special property to benzene called resonance.
- Chlorination of benzene is imparting -Cl group in the ring by replacing one of its Hydrogen atoms.
(b)
Interpretation:
The reagents required to convert benzene to the following compounds have to be identified.
Nitrobenzene
Concept Introduction:
- Benzene is an electron rich Aromatic compound. It undergoes aromatic electrophilic substitution reaction.
- The delocalized nature of pi electrons in benzene attributes a special property to benzene called resonance.
- Nitration of benzene is known as inserting -NO2 group into the benzene Carbon by replacing one of its Hydrogen atoms.
(c)
Interpretation:
The reagents required to convert benzene to the following compounds have to be identified.
Bromobenzene
Concept Introduction:
- Benzene is an electron rich Aromatic compound. It undergoes aromatic electrophilic substitution reaction.
- The delocalized nature of pi electrons in benzene attributes a special property to benzene called resonance.
- Bromination of benzene is installing -Br group in the ring by replacing one of its Hydrogen atoms.
(d)
Concept Introduction:
- Benzene and its related compounds undergo aromatic electrophilic substitution reactions since they are
Aromatic compounds . The delocalized nature of pi electrons in benzene attributes a special property to benzene called resonance.
- Friedel Crafts reaction is an electrophilic substitution reaction. This reaction involves C-C bond formation between benzene Carbon and any other alkyl or aryl or acyl carbon. Thus this reaction is constructive to impart alkyl, aryl or acyl group onto benzene ring. So this reaction is commonly known as Friedel Crafts acylation if acyl group is imparted on benzene ring or Friedel Crafts alkylation if alkyl group is imparted on benzene ring.
- Any of Lewis acids such as AlCl3, FeCl3, BF3 etc is required to initiate the reaction. The Lewis acid act as catalyst assists in the formation of electrophile.
(e)
Interpretation:
The reagents required to convert benzene to the following compounds have to be identified.
Propylbenzene
Concept Introduction:
- Benzene and its related compounds undergo aromatic electrophilic substitution reactions since they are Aromatic compounds. The delocalized nature of pi electrons in benzene attributes a special property to benzene called resonance.
- Friedel Crafts reaction is an electrophilic substitution reaction. This reaction involves C-C bond formation between benzene Carbon and any other alkyl or aryl or acyl carbon. Thus this reaction is constructive to impart alkyl, aryl or acyl group onto benzene ring. So this reaction is commonly known as Friedel Crafts acylation if acyl group is imparted on benzene ring or Friedel Crafts alkylation if alkyl group is imparted on benzene ring.
- Any of Lewis acids such as AlCl3, FeCl3, BF3 etc is required to initiate the reaction. The Lewis acid act as catalyst assists in the formation of electrophile.
- The order of the stability of carbocation is –
Tertiary carbocation > Secondary carbocation > Primary carbocation.
- Carbonyl
functional group can be converted to methylene group by a reaction known as Clemmenson reduction
(f)
Concept Introduction:
- Benzene and its related compounds undergo aromatic electrophilic substitution reactions since they are Aromatic compounds. The delocalized nature of pi electrons in benzene attributes a special property to benzene called resonance.
- Friedel Crafts reaction is an electrophilic substitution reaction. This reaction involves C-C bond formation between benzene Carbon and any other alkyl or aryl or acyl carbon. Thus this reaction is constructive to impart alkyl, aryl or acyl group onto benzene ring. So this reaction is commonly known as Friedel Crafts acylation if acyl group is imparted on benzene ring or Friedel Crafts alkylation if alkyl group is imparted on benzene ring.
- Any of Lewis acids such as AlCl3, FeCl3, BF3 etc is required to initiate the reaction. The Lewis acid act as catalyst assists in the formation of electrophile.
(g)
Interpretation:
The reagents required to convert benzene to the following compounds have to be identified.
Aniline (aminobenzene)
Concept Introduction:
- Benzene and its related compounds undergo aromatic electrophilic substitution reactions since they are Aromatic compounds. The delocalized nature of pi electrons in benzene attributes a special property to benzene called resonance.
- Nitration of benzene is known as inserting -NO2 group into the benzene Carbon by replacing one of its Hydrogen atoms.
- Various reagents are available such as Sodium sulfide, Sodium hydrosulfite, Tin(II) chloride, Zn/HCl etc to convert nitro group to amino group by reduction.
(h)
Interpretation:
The reagents required to convert benzene to the following compounds have to be identified.
Benzoic acid
Concept Introduction:
- Benzene and its related compounds undergo aromatic electrophilic substitution reactions since they are Aromatic compounds. The delocalized nature of pi electrons in benzene attributes a special property to benzene called resonance.
- Friedel Crafts reaction is an electrophilic substitution reaction. This reaction involves C-C bond formation between benzene Carbon and any other alkyl or aryl or acyl carbon. Thus this reaction is constructive to impart alkyl, aryl or acyl group onto benzene ring. So this reaction is commonly known as Friedel Crafts acylation if acyl group is imparted on benzene ring or Friedel Crafts alkylation if alkyl group is imparted on benzene ring.
- Oxidation of alkyl side chain in alkylbenzene forms Carboxilic acid.
(i)
Interpretation:
The reagents required to convert benzene to the following compounds have to be identified.
Toluene
Concept Introduction:
- Benzene and its related compounds undergo aromatic electrophilic substitution reactions since they are Aromatic compounds.
- Friedel Crafts reaction is an electrophilic substitution reaction. This reaction involves C-C bond formation between benzene Carbon and any other alkyl or aryl or acyl carbon. Thus this reaction is constructive to impart alkyl, aryl or acyl group onto benzene ring. So this reaction is commonly known as Friedel Crafts acylation if acyl group is imparted on benzene ring or Friedel Crafts alkylation if alkyl group is imparted on benzene ring.

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Chapter 18 Solutions
ORGANIC CHEMISTRY: W/ACCESS
- Understanding the general acid-base properties of amino acids O Proteins Imagine each of the molecules shown below was found in an aqueous solution. Can you tell whether the solution is acidic, basic, or neutral? molecule The solution is... 010 H3N-CH-C-OH CH HO CH3 O acidic O basic neutral O (unknown) H3N HO 0 O acidic O basic neutral ○ (unknown) H3N-CH-C-O CH2 CH3-CH-CH3 O acidic O basic Oneutral ○ (unknown) O= X H2N-CH-C-O CH3 CH CH3 acidic O basic O neutral ○ (unknown) ? 000arrow_forwardImagine each of the molecules shown below was found in an aqueous solution. Can you tell whether the solution is acidic, basic, or neutral? molecule 0=0 H3N-CH-C-o HO CH2 OH The solution is... O acidic O basic O neutral O (unknown) H₂N acidic O basic O neutral ○ (unknown) + H3N O OH O acidic O basic O neutral O (unknown) H2N-CH-C-O CH3 O acidic O basic neutral ○ (unknown) X ? olo HEarrow_forwardRecognizing ampli Draw an a amino acid with a methyl (-CH3) side chain. Explanation Check Click and drag to start drawing a structure. X Carrow_forward
- Write the systematic name of each organic molecule: structure name × HO OH ☐ OH CI CI O CI OH OHarrow_forwardく Check the box under each a amino acid. If there are no a amino acids at all, check the "none of them" box under the table. Note for advanced students: don't assume every amino acid shown must be found in nature. COO H3N-C-H CH2 HO CH3 NH3 O CH3-CH CH2 OH Onone of them Explanation Check + H3N O 0. O OH + NH3 CH2 CH3-CH H2N C-COOH H O HIC + C=O H3N-C-O CH3- - CH CH2 OH Х 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center Accesarrow_forwardWrite the systematic name of each organic molecule: structure HO-C-CH2-CH3 O -OH CH3-CH2-CH2-CH2-CH2-C-OH CH3 CH3-CH-CH2-C-OH Explanation Check S namearrow_forward
- theres 2 productsarrow_forwardDraw the major product of this solvolysis reaction. Ignore any inorganic byproducts. + CH3CH2OH Drawing Q Atoms, Bonds and Rings OCH2CH3 || OEt Charges OH 00-> | Undo Reset | Br Remove Done Drag To Pan +arrow_forwardDraw the major product of this SN1 reaction. Ignore any inorganic byproducts. CH3CO2Na CH3CO2H Drawing + Br Q Atoms, Bonds and Rings OAC Charges OH ОАс Na ဂ Br Undo Reset Remove Done Drag To Pan +arrow_forward
- Organic Functional Groups entifying positions labeled with Greek letters in acids and derivatives 1/5 ssible, replace an H atom on the a carbon of the molecule in the drawing area with a ce an H atom on the ẞ carbon with a hydroxyl group substituent. ne of the substituents can't be added for any reason, just don't add it. If neither substi er the drawing area. O H OH Oneither substituent can be added. Check D 1 Accessibility ado na witharrow_forwardDifferentiate between electrophilic and nucleophilic groups. Give examples.arrow_forwardAn aldehyde/ketone plus an alcohol gives a hemiacetal, and an excess of alcohol gives an acetal. The reaction is an equilibrium; in aldehydes, it's shifted to the right and in ketones, to the left. Explain.arrow_forward
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