Making esters - Part 1 | Chemistry Tutorial

Рет қаралды 48,437

3 жыл бұрын

Chemistry lecturer from the School of Molecular & Life Sciences, Dr Alexandra Yeung takes us through an experiment to create esters, or ethyl ethanoate.
To find out more about studying Chemistry or a Science degree at Curtin, visit curtin.edu/v8gqq9

Пікірлер: 41

@euansimpson5010 2 жыл бұрын

This is amazing I hope you do more of these because you explain the reactions so well thankyou so much

@jadeykins28 3 жыл бұрын

Thank you for making this, it's very useful and Dr Yeung is very knowledgable

@TheAnimatedTeacher 2 жыл бұрын

Excellent and clear explanation of each step. Thank you! I will be using this with my year 12 chemistry class.

@neaworld3960 2 жыл бұрын

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@sakai9848 2 жыл бұрын

This is a great video! Very well explained!

@bluemacaroons 2 жыл бұрын

Thank you! This made my chemistry hw make more sense

@Al-Hussainy 2 жыл бұрын

Very interesting, thank you for sharing this

@user-xl3fx4ft6j 2 ай бұрын

You explained in details, Thanks! It was perfect explanation

@shescynical946 Жыл бұрын

thank you so much for this! it helped me so much.

@PaynePro 2 жыл бұрын

Thanks 🙏🏾

@johnblacksuperchemist2556 2 жыл бұрын

GREAT VIDEO

@shahamshooraj2794 5 ай бұрын

very good

@user-kr3ct9oh4y 11 ай бұрын

Thnks a lot, very helpful video!!

@curtinuniversity 11 ай бұрын

We're glad it was helpful!

@injectormajor 3 ай бұрын

thank you! thats useful

@curtinuniversity 3 ай бұрын

Glad it was helpful!

@roslailiyuhanisramli2753 Жыл бұрын

What concentration is the sulphuric acid used?

@hkharis07 2 жыл бұрын

why did nt you add any water immiscible organic solvent like diethy ether or any to extract ester?

@prachisarkate6169 7 ай бұрын

If we want aolid form of product then what to do

@user-sr1lc1dc6b 4 ай бұрын

Why do esters with higher molecular masses not have strong odours

@dalelane1948 6 ай бұрын

haha, I remember this lab from y first degree at Curtin, same lab 20yrs later.

@mattflores8911 2 жыл бұрын

Would magnesium sulfate be a good drying agent as well?

@alexlabs4858 Жыл бұрын

Yes

@willyhsu4341 9 ай бұрын

what could be a possible resaon that my ethyl acetate isn't splitting with water during isolation?

@curtinuniversity 9 ай бұрын

As the Curtin marketing team monitors our KZfaq comments and questions, regrettably, we cannot address these specific inquiries. For university or course-related questions, please reach out, and we'll gladly help. Thanks!

@johnblacksuperchemist2556 2 жыл бұрын

QUESTION.........I know you can shift the equilibrium by adding an abundance of one of the reactants. Usually that is the alcohol. Why did you choose acetic acid as the abundant reactant????????????? Was there a reason or was it just an arbitrary choice??????????

@yaserbatal6474 2 жыл бұрын

The acid works as a catalyst as well

@leoking7290 Жыл бұрын

How can we separate unreacted alcohol from ester. Specially in case of isopentyl alcohol and isopentyl acetate.

@birch8109 9 ай бұрын

Distillation is used

@leoking7290 9 ай бұрын

@@birch8109 I have tried Distillation but end product is not getting completely free from starting material. Due to small difference in boiling point and there ability to make azeotrope it's not happening. Can you put some insight of type of distillation or conditions which can solve this problem?

@Bismillah-fo7ru 8 ай бұрын

I think that's why they have used the alcohol as the limiting reagent with excess carboxylic acid, since the carboxylic acids (especially short chain one's) can be made into a soluble salt by adding carbonate.

@Nanya-MF 10 ай бұрын

Why is the mixture boiled under reflux

@curtinuniversity 9 ай бұрын

@birch8109 9 ай бұрын

So that the vessel can be unsealed so there's no build up of pressure but at the same time no vapours escape because they all get condensed and drip back down. Also heating it makes the reaction proceed faster.