You have an unknown sample with an observed melting point of 90.0-92.5 degrees C

Question

You have an unknown sample with an observed melting point of 90.0-92.5 degrees Celsius. Is this better evidence for the unknown to be compound A with a melting point of 95.5-96.0 degrees Celsius or compound B with a melting point of 90.5-91.0 degrees Celsius? And why? You have an unknown sample with an observed melting point of 90.0-92.5 degrees Celsius. Is this better evidence for the unknown to be compound A with a melting point of 95.5-96.0 degrees Celsius or compound B with a melting point of 90.5-91.0 degrees Celsius? And why?

Explanation / Answer

Ans: The unknown sample is compound B since the melting point of unknown sample,90.0-92.5 degrees Celsius, which closely aggreable with the compound B,90.5-91.0 degrees Celsius only. It means that compund B is like a reference compund. So the compound B is unknown sample.

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