Chloroethane can be used to make sodium propanoate. $$\[ \text { chloroethane } \rightarrow \text { intermediate } \mathrm{Q} \rightarrow \text { sodium propanoate } \]$$ Intermediate Q is hydrolysed with boiling aqueous NaOH to give sodium propanoate. Which reagent would produce intermediate Q from chloroethane?
A.
concentrated ammonia solution
B.
dilute sulfuric acid
C.
hydrogen cyanide in water
D.
potassium cyanide in ethanol
Exam No：9701_s24_qp_13 Year：2024 Question No：31
Answer:
D
Knowledge points:
8.3.1.1 explain that, in the presence of a catalyst, a reaction has a different mechanism, i.e. one of lower activation energy
8.3.1.2 explain this catalytic effect in terms of the Boltzmann distribution
8.3.1.3 construct and interpret a reaction pathway diagram, for a reaction in the presence and absence of an effective catalyst
Solution:
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