Why do you add hydroxide to your hexanediamine solution? What would occur if you

Question

Why do you add hydroxide to your hexanediamine solution? What would occur if you did not add it? 2. Under certain conditions, the carbon-oxygen bond of a carbonyl group takes part in polymerization reactions; for example the following reaction has been observed. Write an arrow pushing mechanism for this reaction. (One addition is fine). 3. Rigid polymers that are useful in fibers (Air Force High Strength Fiber) can be made from condensation reactions that give fused ring heterocycles. Example: Mechanism: An analogous reaction is shown below, provide an arrow-pushing mechanism for it. (Which is more nucleophilic, sulfur or nitrogen?)

Explanation / Answer

In the polymerization reaction of Hexanediamine we added some hydroxide to neutralize acid. In the polymerization reaction of Hexanediamine some acid is formed as by product which be removed by the addition of hydroxide. If we did not add hydroxide then the concentration of acid will rise. This acid will from salt with Hexanediamine thus there is no longer nucleophilic reaction occurs so keeping the amine in a form that will be nucleophilic add some hydroxide.

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