Lecture 11 Unk second Lec 04122010

Lecture 11 Unk second Lec 04122010 - Lecture #11...

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Unformatted text preview: Lecture #11 Qualitative Organic Analysis of Unknown Solids and Liquids Alcohols Carboxylic Acids Ketones Aldehydes Amines Phenols Prof. T.s Week 1 Comments You all did Great! Creativity Discovery Keep up the good work! Recrystallization can be a challenge, but dont worry, it will work A reminder OBSERVE You see it? Write it down! What does yours look like? is a meaningless question from now on! BE FLEXIBLE Rules are GENERAL RULES! Take them as GUIDELINES!!!!!!!! Closed toe shoes and a clear mind are essential for lab safetydont come to lab without them. What do we do week 2? Finish your tests that you started this week Take your timethere is no rush! Melting point and boiling point data I will check it Are you on the right track? Hand in your Experiment Sheet for Week 1 when you complete all tests Print another copy Fill it out NEATLY no scratch-outs, no scribbles, no coffee stains Turn it to me in your lab section You will get your IR Leave the lab During the week, in your spare time Look at your IR Compare it to the IR data sheets in Blackboard, your book, online Determine what functional group you might have Look closely, you might have more than one functional group Some functional groups give more than one stretch in the IR What is there? What is missing? Might be able to get even more info C=C, C-Cl or C-Br, Fill out your IR analysis sheet and then Possibly repeat MP and BP tests to confirm their values Bring your IR analysis sheet to me and I will confirm that your unknown is on your list. Take your MP + 6 o C, BP + 10 o C and find all of the molecules with your functional group Look up their structures Predict their NMR resonances Fill out the Structure and NMR Predictions sheet Frequently asked question...
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Lecture 11 Unk second Lec 04122010 - Lecture #11...

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