college organic chemistry

posted by .

two substances,a and b have same melting point.How can you determine if they are the same without using any form of spectroscopy? Explain in detail.

  • college organic chemistry -

    If they are the same compound then the melting point of a mixture will be the same as a and b. If a and b are different compounds then a mixture of the two will have a different (lower) melting point than a and b.

  • college organic chemistry -

    what is the structure of phenylhexane?

  • college organic chemistry -

    It is not a good idea to piggy back questions because it looks as though the original question has been answered, so one looks at the next.

    I have answered the hexyl benzene question above.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Same substances?

    Question: Two substances, A and B, have the same melting point. how can you determine if they are the same without using any form of spectroscopy?
  2. Mixed melting point

    Question: A compound melting at 134 degrees C was suspected to be either aspirin (mp 135C) or urea (mp 133C) Explain how you could determine whether one of these two suspected compounds was identical to the unknown compound without …
  3. science

    1)effects of impurities on the boiling point of an organic compound. 2) purposes why melting points are determined. 3)suppose i am taking a melting point and the compound disappears, what must i do?
  4. Biology

    Two samples of DNA have the same melting point and density. Does this prove that they are from the same species?
  5. chemistry

    intermolecular forces Rank the following substance from highest melting point to lowest melting point. My teacher gave a list of compounds: H2O, NO2,F2,CI2 and to have a high melting point means that you need a stronger IMF. Rank the …
  6. ochem

    You have a mixture composed of 90% benzoic acid and 10% naphthalene. Benzoic acid has a melting point of 122.4 oC, while naphthalene has a melting point of 80.2 oC. You can say with certainty that the melting point of the mixture will …
  7. Organic Chemistry - Melting Point

    You have an unknown with an observed melting point of 90-93°C. Is your unknown compound A with a reported melting point of 95.5-96°C or compound B with a reported melting point of 90.5-91°C?
  8. chemistry

    Say you have two substances, A and B. A has a melting point of 300 degrees Celcius, while B has a melting point of 200 degrees Celcius. If you took a mixed melting point where the ratio of A is higher than B, what would the melting …
  9. chemistry

    1. Many types of spectrophotometers produce graphs containing a base line with peaks. How are the peaks seen on the graphs produced by a spectrometer used in identifying substances?
  10. Chemistry

    Imagine that you have a pure sample of an unknown compound that you are told is either 2-naphthol OR benzoic acid. In the lab, you also have access to samples of pure 2- naphthol and pure benzoic acid. However, both of these pure substances …

More Similar Questions