Melting Point Post Lab Questions 1) How does using too much compound raise the e

Question

Melting Point Post Lab Questions 1) How does using too much compound raise the experimental melting point of a compound? 2) Why can you not re-use a sample in a capillary tube for melting point analysis? 3) What's the downside of heating too fast? 4) What are the two reasons a melting point analysis would be done?? 5) Why do impurities inside a crystalline lattice cause a melting point to be lower? 6) How can melting point analysis be used to identify a compound? When is the mixed melting point analysis useful? 7) What is mixed melting point? 8) Differentiate between a "narrow" melting point range and a "broad" melting point range.

Explanation / Answer

Ans 1 : Melting point of the compound is the temperature at which the compound first starts to melt.

When too much of the sample is used in an experiment, the uniform heating of the compound does not takes place and more amount of energy is required to melt the same compound , that has lower melting point.

So in such a case , the melting point of the compound increases

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