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Is synthesis endothermic or exothermic reaction?

exothermic


Is aspirin synthesis an esterification reaction?

No, aspirin synthesis is not an esterification reaction. It involves the reaction of salicylic acid with acetic anhydride to form acetylsalicylic acid (aspirin) and acetic acid through an acetylation reaction. Esterification typically involves the reaction of an alcohol with a carboxylic acid to form an ester.


What is the purpose of phosphoric acid in the synthesis of aspirin?

Phosphoric acid is used in the synthesis of aspirin as a catalyst to facilitate the esterification reaction between salicylic acid and acetic anhydride. It helps increase the reaction rate and yield of aspirin.


Is the reaction between salicylic acid and acetic anhydride exothermic?

A reaction between an alcohol and an anhydrid is usually exothermic, so I would say it is.


The synthesis of carbon disulfide is spontaneous and exothermic at room temperature what must be true regarding this reaction?

The reverse reaction is endothermic and nonspontaneous.


Why pyridine is used im the synthesis of aspIrin?

Pyridine is used in the synthesis of aspirin as a catalyst to help facilitate the esterification reaction between salicylic acid and acetic anhydride. Its basic properties help neutralize the acidic byproducts formed during the reaction, which improves the yield of aspirin. Additionally, pyridine can also help dissolve the reactants and promote the formation of the desired product.


Are exothermic reactions decomposition reactions or are they synthesis reactions?

Exothermic reactions can be both decomposition reactions (breaking down a compound into simpler substances) and synthesis reactions (forming a compound from simpler substances). The key factor that determines whether a reaction is exothermic is whether it releases heat to its surroundings.


How do you classify a chemical reaction?

Chemical reactions can be classified based on the type of reaction (e.g., synthesis, decomposition, single replacement, double replacement) or the energy changes involved (e.g., exothermic, endothermic). Classification helps in understanding the underlying principles and predicting the products of reactions.


A reaction that releases energy as it occurs is classified as?

A reaction that releases energy is exothermic.


What is an alternative reagent to ethanoic anhydride in the synthesis of aspirin from salicylic acid?

Synthesis of acetyl chloride via the reaction of acetic acid with sulphuric acid


Is the reaction endothermic or exothermic, and what is the enthalpy of the reaction?

The reaction is exothermic, meaning it releases heat. The enthalpy of the reaction is negative, indicating that it is exothermic.


Why maintain the temperature of the reaction at 90 degrees C in synthesis of aspirin?

Maintaining the temperature at 90 degrees C in the synthesis of aspirin helps to achieve optimal reaction kinetics, ensuring the reaction proceeds at a suitable rate. This temperature also promotes the formation of the desired product while minimizing the formation of unwanted byproducts.