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chem 3a lab1 - Riti Gupta/Lab Section 112 Chem 3AL...

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Riti Gupta/Lab Section 112/ Chem 3AL Experiment 2: Investigating Solubility and Acid-Base Reactions Part 1 : Hexane contains induced dipole-induced dipole interactions (IDID), as do diethyl ether, ethyl acetate, and dichloromethane, therefore these being miscible in hexane and containing IDID interactions in the resulting mixture. Ethanol and acetone contain dipole-induced dipole (DID) interactions, which react with IDID interactions well, thus also being miscible with hexane. Water however, is not miscible with hexane because water contains hydrogen bonding, which does not interact with IDID interactions. Part 2 : Water contains hydrogen bonding and very strong dipole-dipole (DD) interactions. Therefore, since diethyl ether, ethyl acetate, dichloromethane, and toluene contain IDID interactions, these solutes were immiscible with water, and a clear layer formed on top of the test tube. However, since acetone and ethanol contain DID interactions and some hydrogen bonding, they were able to mix with water and a clear liquid with no layer on top was produced. Part 3 : 1-propanol and ethanol were miscible with water because of their DID interactions, causing the resulting clear mixtures to have DID interactions and hydrogen bonding as well. 1-butanol and 1- pentanol formed a layer on top of the water, telling us that it is not miscible in water because they are composed of carbon chains and many IDID interactions, which do not mix with DID and hydrogen bonding.
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