8. Which (if any) after being dissolved in diethyl ether, will: (6 points) b) Ex

Question

8. Which (if any) after being dissolved in diethyl ether, will: (6 points) b) Extract into HCVH 0? c Extract into neutral water? a) Extract into NaOH/H20? 9. Rank the following in order of increasing basicity, I being most basic, 3 being least (3x2 pts) a. NaOH CH3MgBr CH3NH2 b. Me2NH NH3 CH3CO2Na c. pyridine benzamide (PhCONH2) methylamine 10. Rank the acidity of the following, I being most acidic, 3 being least (3x2 pts) a. NH4 Cl acetic acid 2,2-difluoroacetic acicd b. PhCH2OH PhOH PhCO2H c. water p-nitrobenzoic acid benzoic acid

Explanation / Answer

In the question 8, a) and b) are correct.

When we add NaOH/H2O to any carboxylic acid, it forms sodium carboxylate salt which readily goes into the water.

And when acid is added to any amine , it forms ammonium salt which also goes into the water.

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