Options

1.30, 40, 50 degrees

2. benzoic acid, 1-2 Benzanthracene, benzophenone, Acetanilide

3. R,S- Mandelic acid, 4-nitrotoluene, m-toluic acid, salicylic acid

4 & 5 MP up, MP down, MP same

6. any of the above listed chemicals

The fast determination of the first sample of your unknown shows the unknown melting around 50C. At what temperature should you slow down the rate of heating to 1C/min ? Copyright 2023. Govindarajoo, G. Rutgers, The State University of New Jersey You have to pick two standards that could be your unknown because you don't know if thermometer calibration is an issue - the first standard MUST be listed alphabetically before the second standard : Copyright 2023. Govindarajoo, G. Rutgers, The State University of New Jersey If your unknown is indeed the alphabetically second standard that you chose, what would happen to the mixed melting point of your unknown +this standard? Copyright 2023. Govindarajoo, G. Rutgers, The State University of New Jersey Based on the result above, what would happen to the mixed melting point of your unknown + the alphabetically first unknown that you picked? What is the identity of your unknown? The fast determination of the first sample of your unknown shows the unknown melting around 50C. At what temperature should you slow down the rate of heating to 1C/min ? Copyright 2023. Govindarajoo, G. Rutgers, The State University of New Jersey You have to pick two standards that could be your unknown because you don't know if thermometer calibration is an issue - the first standard MUST be listed alphabetically before the second standard : Copyright 2023. Govindarajoo, G. Rutgers, The State University of New Jersey If your unknown is indeed the alphabetically second standard that you chose, what would happen to the mixed melting point of your unknown +this standard? Copyright 2023. Govindarajoo, G. Rutgers, The State University of New Jersey Based on the result above, what would happen to the mixed melting point of your unknown + the alphabetically first unknown that you picked? What is the identity of your unknown