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Compounds A, B and C are three unknown compounds. Compound A melts at 130-133 de

ID: 786750 • Letter: C

Question

Compounds A, B and C are three unknown compounds. Compound A melts at 130-133 degree C, Compound B melts at 132-134 degree C and Compound C melts at 140-143 degree C. Compound D is a known compound who melts at 131-134 degree C. The mmp (= mixed melting point) A+B is 131-133 degree C. The mmp A+C is 138-142 degree C. The mmp B+C is 139-144 degree C. The mmp A+D is 130-134 degree C. The mmp C+D is 134-140 degree C. What can you conclude about your unknowns? Answer: __________A=B=D B=C=D A=B=C B=C C=D

Explanation / Answer

A=B=D

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