I have a take home quiz for the last quiz of the year in my chemistry class. I r

Question

I have a take home quiz for the last quiz of the year in my chemistry class. I really need to pass this class and I am on the line of passing and failing and this quiz will help me out big time. Please just circle the answers and draw out the ones that need to be drawn out. Thank you!

1. Assuming the molecular weight of each molecule is the same, rank the following functional groups in order of increasing water solubility (least soluble to most soluble): 2 points) 4 ammonium salt 2 amine 3 amine a. 4 ammonium salt 20 amine

Explanation / Answer

Ans 1. B . 4° ammonium salt < 3° amine < 2° amine

Amines are soluble in water as they form hydrogen bonds with water molecules.

The hydrophobic alkyl groups decrease the solubility of amines such that quaternary ammonium salts and tertiary amines are least soluble.

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