You are given a sample containing a hydrocarbon and an amine both compounds are very insoluble...
You are given a sample containing a hydrocarbon and an amine both compounds are very insoluble in water and very soluble in diethyl ether. Describe how you could efficiently separate these two compounds using extraction methods; clearly explain why your procedure should give a good spearation of the compounds
Homework Answers
Amines are basic in nature whereas hydrocarbons are neutral. If a mineral acid (for example HCl) is added to the mixture amine will form a salt and salt will be water soluble and can be easily be separated from hydrocarbon. If base is added to the salt solution , amine will be separated.
This process should give a good separation as hydrocarbon is very insoluble in water and the salt formed by the reaction of amine with acid is very soluble in water.
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You are given a sample containing a hydrocarbon and an amine
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1. Provide a flow chart detailing the acid/base
extraction/separation of the compounds shown below. Your answer
must employ the following reagents: methylene chloride,
hydrochloric acid (1M & 6M), sodium hydroxide (1M & 6M),
10% sodium bicarbonate (aq). Clearly indicate the product(s) and
layers formed following each step of your separation scheme.
IMPORTANT: p-cresol is soluble in sodium hydroxide solution but
insoluble in neutral water or sodium bicarbonate solution. 2-
ethylbenzoic acid is soluble in both sodium hydroxide and...
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1. Provide a flow chart detailing the acid/base
extraction/separation of the compounds shown below. Your answer
must employ the following reagents: methylene chloride,
hydrochloric acid (1M & 6M), sodium hydroxide (1M & 6M),
10% sodium bicarbonate (aq). Clearly indicate the product(s) and
layers formed following each step of your separation scheme.
IMPORTANT: p-cresol is soluble in sodium hydroxide solution but
insoluble in neutral water or sodium bicarbonate solution. 2-
ethylbenzoic acid is soluble in both sodium hydroxide and...
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