Compound $$\(Z\)$$ has the molecular formula $$\(\mathrm{C}_{4} \mathrm{H}_{8} \mathrm{O}_{2}\)$$. Compound $$\(Z\)$$ reacts with propan-1-ol in the presence of concentrated $$\(\mathrm{H}_{2} \mathrm{SO}_{4}\)$$. The diagram shows the skeletal formulae of three compounds, $$\(\mathrm{S}, \mathrm{T}\)$$ and U . U What are the possible skeletal formulae of the products of the reaction between compound Z and propan-1-ol?
A.
\(S\) and \(T\)
B.
U only
C.
\(S\) and U
D.
Tonly
Exam No：9701_w24_qp_11 Year：2024 Question No：26
Answer:
D
Knowledge points:
13.2.1.1 homologous series
13.2.1.2 saturated and unsaturated
13.2.1.3 homolytic and heterolytic fission
13.2.1.4 free radical, initiation, propagation, termination (the use of arrows to show movement of single electrons is not required)
13.2.1.5 nucleophile, electrophile, nucleophilic, electrophilic
13.2.1.6 addition, substitution, elimination, hydrolysis, condensation
13.2.1.7 oxidation and reduction (in equations for organic redox reactions, the symbol [O] can be used to represent one atom of oxygen from an oxidising agent and the symbol [H] one atom of hydrogen from a reducing agent)
13.2.2.1 free-radical substitution
13.2.2.2 electrophilic addition
13.2.2.3 nucleophilic substitution
13.2.2.4 nucleophilic addition (in organic reaction mechanisms, the use of curly arrows to represent movement of electron pairs is expected; the arrow should begin at a bond or a lone pair of electrons)
18.1.1.1 oxidation of primary alcohols and aldehydes with acidifiedor acidified and refluxing
18.1.1.2 hydrolysis of nitriles with dilute acid or dilute alkali followed by acidification
18.1.1.3 hydrolysis of esters with dilute acid or dilute alkali and heat followed by acidification
18.1.2.1 the redox reaction with reactive metals to produce a salt and
18.1.2.2 the neutralisation reaction with alkalis to produce a salt and
18.1.2.3 the acid–base reaction with carbonates to produce a salt
18.1.2.4 esterification with alcohols with concentrated as catalyst
18.1.2.5 reduction by form a primary alcohol
Solution:
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