1) What compound should the student run a mixed melting point with?2) If the student ran a mixed melting point and her melting point was depressed her unknown would be?3) If the student ran a mixed melting point and her melting point remained similar to her original MP (113-116oC) her unknown would be? Approximate Melting point102 °C102 °C115 °C115 °C122 °C122 °C133 °C133 °C141 °C141 °C150 °C150 °C164 °C164 °CSubstance nameOxalic acid dehydrateo-toluic acidacetanilidefluorenebeta-naphtholbenzoic acidtrans-cinnamic acidUreadimethyl terephthalatesalicylamide2-bromobenzoic acidbenzilic acidp-phenylphenolTriphenylmethanol Student Example:MP trial one 110-120°CMP trial two (allow instrument to cool to 95°C) 113-116 °C

As per the rules the first three sub-parts are being answered.

1) What compound should the student run a mixed melting point with? 2) If the student ran a mixed melting point and her melting point was depressed her unknown would be? 3) If the student ran a mixed melting point and her melting point remained similar to her original MP (113-116oC) her unknown would be?

1) What compound should the student run a mixed melting point with? 2) If the student ran a mixed melting point and her melting point was depressed her unknown would be? 3) If the student ran a mixed melting point and her melting point remained similar to her original MP (113-116oC) her unknown would be?

Introduction to General, Organic and Biochemistry

11th Edition

ISBN:9781285869759

Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Chapter16: Amines

Section: Chapter Questions

Problem 16.17P: 16-17 Propylamine (bp 48°C), ethylmethylamine (bp 37°C), and trimethylamine (bp 3°C) are...

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A student was trying to determine the identity of an unknown compound. The melting point of the compound was 117-118oC. The student narrowed the possible compound down to the following: Compound Melting Point Range acetanilide 113-115oC fluorene 114-116oC mandelic acid 120-122oC A second student, doing the same experiment as above, found that their melting point was 100-108oC. What is wrong with the student’s melting point? Propose two reasons why the melting point could be incorrect. View keyboard shortcuts
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