
(a)
Interpretation:
The curved-arrow mechanism for the reversible reaction of aryl-sulfonic acid in steam is to be predicted.
Concept introduction:
Electrophilic substitution reactions are that reaction in which an electrophile replaces the atom or function group of a compound. Sulfonation is an electrophilic substitution reaction in which the hydrogen atom of an
(b)
Interpretation:
The identification of compound A, B and C in the given reaction scheme is to be predicted.
Concept introduction:
Electrophilic substitution reactions are that reaction in which an electrophile replaces the atom or function group of a compound. Sulfonation is an electrophilic substitution reaction in which the hydrogen atom of an aromatic ring is replaced by the sulfonic acid functional group.
(c)
Interpretation:
The explanation as to why compound C cannot be synthesized in one step from thiophene.
Concept introduction:
Electrophilic substitution reactions are that reaction in which an electrophile replaces the atom or function group of a compound. Nitration is an electrophilic substitution reaction in which the hydrogen atom of an aromatic ring is replaced by the nitro group.

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Chapter 26 Solutions
Organic Chemistry
- H-Br Energy 1) Draw the step-by-step mechanism by which 3-methylbut-1-ene is converted into 2-bromo-2-methylbutane. 2) Sketch a reaction coordinate diagram that shows how the internal energy (Y- axis) of the reacting species change from reactants to intermediate(s) to product. Brarrow_forward2. Draw the missing structure(s) in each of the following reactions. The missing structure(s) can be a starting material or the major reaction product(s). C5H10 H-CI CH2Cl2 CIarrow_forwardDraw the products of the stronger acid protonating the other reactant. དའི་སྐད”“ H3C OH H3C CH CH3 KEq Product acid Product basearrow_forward
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- 2. Draw the missing structure(s) in each of the following reactions. The missing structure(s) can be a starting material or the major reaction product(s). C5H10 Br H-Br CH2Cl2 + enant.arrow_forwardDraw the products of the stronger acid protonating the other reactant. KEq H₂C-O-H H3C OH Product acid Product basearrow_forwardDraw the products of the stronger acid protonating the other reactant. OH KEq CH H3C H3C `CH3 Product acid Product basearrow_forward
- 2. Draw the missing structure(s) in each of the following reactions. The missing structure(s) can be a starting material or the major reaction product(s). Ph H-I CH2Cl2arrow_forward3 attempts left Check my work Draw the products formed in the following oxidative cleavage. [1] 03 [2] H₂O draw structure ... lower mass product draw structure ... higher mass productarrow_forward2. Draw the missing structure(s) in each of the following reactions. The missing structure(s) can be a starting material or the major reaction product(s). H-Br CH2Cl2arrow_forward
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