Chemical Nature
Is intermolecular hydrogen bonding present between ester molecules?
No
Where is ethyl ethanoate found in nature?
Fruits, yeast, and sugar cane.
Ethyl ethanoate is used as an artificial flavouring agent. Where is it commonly added?
It is commonly added to cakes, ice creams, tea and coffee.
True or False: Ethyl ethanoate is made from ethanoic acid and methanol.
False; Ethyl ethanoate is made from ethanoic acid and ethanol.
What are the predominant intermolecular forces present in ethyl ethanoate?
London dispersion and dipole-dipole interaction
Why do esters play a role in giving flowers and fruit their scent?
It is partially because they exhibit weak intermolecular forces.
Due to ethyl ethanoates sweet odour, where is it used?
It is used in perfumes, flavorings and pharmaceuticals.
What is a specific chemical reaction for ethyl ethanoate in the industry.
Saponification.
What is ethyl acetates solubility?
8.7g per 100 g of water
True or False: Ester acetylcholine is responsible for nerve stimuli.
True
What are the three main industries in which ethyl ethanoate is present?
Fragrance, cosmetics and soap industry.
True or False: In the paint industry, saponification reaction is used to intensify colours.
Yes.
Finish the sentence: Ethyl ethanoate is reactive because it is sensitive to ____.
heat
True or False: The by-product of fermentation, which is also present in fruits and wines, would also be known as ethyl ethanoate, which at high concentrations can enhance its flavour.
False; The by-product of fermentation, which is also present in fruits and wines, would also be known as ethyl ethanoate, which at low concentrations can enhance its flavour.
What are the benefits of ethyl ethanoate being used in perfumes?
Due to its ability to evaporate on the skin leaving the perfume's fragrance to stay on the skin and linger without any unappealing oily or alcoholic residue.
What are some reactions that ethyl ethanoate is involved with?
Condensation/Esterification, Saponification, and Hydrolysis reactions.
What is ethyl ethanoates boiling point?
77 degrees celsius
When is ethyl ethanoate regarded as an off-flavor in wine?
When it is present at too high a concentration.
Why is ethyl acetate a common ingredient in the cosmetics industry?
Because of its low cost, low toxicity, as well as its sweet, fruity odor.
When ethyl acetate and sodium hydroxide react during a saponification reaction, what are the products?
Sodium acetate and ethanol.