Asked by: Yancho Terranova
asked in category: General Last Updated: 11th June, 2020

What is the role of nitric acid in conversion of benzoin to benzil?

The synthesis of benzil involves reacting benzoin from the previous lab with nitric acid through an oxidation reaction. An oxidation reaction is a type of reaction that involves a transfer of electrons. In this experiment nitric acid is used as the oxidizing reagent to oxidize benzoin.

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Similarly, why is the conversion of benzoin to benzil an oxidative process?

Benzoin is an organic compound consisting of an ethylene bridge bound to phenyl groups and with hydroxyl and ketone functional groups. The nitric acid would readily oxidize benzoin to benzil, a diketone, itself would reduced to nitrous acid, which would decompose to oxides of nitrogen and water.

how do you recrystallize Benzil? Recrystallization Benzil by solute with ethanol. It separates Benzil from Benzoin That is impurity. Benzil is non polar than Benzoin. So, it will crystallize faster than Benzoin that solutes in ethanol more than Benzil.

In this manner, why is Benzil important?

Applications. Most benzil is used in the free-radical curing of polymer networks. Ultraviolet radiation decomposes benzil, generating free-radical species within the material, promoting the formation of cross-links.

Why would it be a problem if the Benzil melting?

Why would it be a problem if the benzil melts rather than dissolves in ethanol during your crystallization? melting occurs too quickly and proper recrystallization does not occur. The liquid ethanol and benzil will make an impure oil but will not occur if benzil dissolves instead.

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