Answers.com > Wiki Answers > Categories > Science > Chemistry > Organic Chemistry > 2 What the purpose of sodium carbonate added in Isolation of Caffeine from Tea Bag?

2 What the purpose of sodium carbonate added in Isolation of Caffeine from Tea Bag?

In: Organic Chemistry [Edit categories]

Answer:

what are the purpose of sodium carbonate was added in isolaton of caffeine from tea bag?

First answer by Effa. Last edit by Effa. Contributor trust: 0 [recommend contributor ]. Question popularity: 2 [recommend question].

[report abuse]

Can you answer these Organic Chemistry questions?

	Is carbon present in non luminous flame?	Answer it!
	How are carbon dioxide molecules carried in the plasma?	Answer it!
	What can be hydrolysed to form methanol as one of its products?	Answer it!
	Why fundamental frequency of a compound is in infra red region?	Answer it!
	Does Copper-64 occur naturally?	Answer it!

What is the role of sodium carbonate in the isolation of caffeine?
to prevent the tannins from joining the caffeine during extraction. this saves time in the isolation of caffeine
Does green tea tea bags have caffeine?
What purpose does sodium carbonate serve during the extraction of caffeine from tea leaves?
The reason sodium carbonate is added to the tea is because, the tannins are acidic and sodium carbonate is a base, so when sodium carbonate is added to the tea water mixture, the acids are converted...
What happens when 2 ml of HCL is added to sodium carbonate?
Firstly, they'll react each other forming sodium hydrogen carbonate and sodium chloride. If there is excess HCl, the sodium hydrogen carbonate would further react till sodium chloride and evolve...
What happens when sodium carbonate and vinegar are added?
I did this science practical at school i added half a teaspoon of sodium carbonate to 20 ml of vinegar. It fizzed up then after about ten seconds went down.