The 9,10-dihydroanthracene 9 10 alpha betasuccinic acid anhydrideMelting point is261-262°Cand MW is 276.2861 g/mol.Anhydrides are readily hydrolyzed at high temperatures in the presence of atmospheric water vapor. To prevent this, prepare a drying tube by inserting a small amount of cotton, some CaCl2, and some more cotton to seal the end. Weight out 0.240 ganthraceneand 0.120 g of maleic anhydride. Once all the glassware is assembled together and clamped to the monkey bars, raise the hotplate on the lab jack and begin heating. A 1:1 molar mixture of anthracene and maleic anhydride usually melts at  approximately 210 °C, so if your sample does not melt, very slowly increase the setting of the hotplate until it does melt some. (It may not completely liquefy.) Note that heating the reaction mixture beyond ~260 °C increases your likelihood of obtaining unwanted oxidized side products, so take your time and increase thetemperatureslowly. Once the temperature is somewhere between 210-260 °C, the reaction will proceed very quickly and should be complete within 15 minutes at most. Watch as the walls of the conical vial become cloudy with crystal formation. After thereactionis complete, lower and remove thehotplate, and allow the conical vial to cool slowly to RT. When it is cool enough to touch, remove the vial and examine the crystals, noting the different layers of crystals that may have formed. If you have distinct layers, the highest layer in the vial should be white and highly crystalline; this should be your product --9,10-dihydroanthracene-9,10-α,β-succinic acid anhydride in relatively pure form. The remaining solid in the vial is likely to be yellow-green to dark green in color and is also mostly 9,10-dihydroanthracene-9,10-α,β-succinic acid anhydride.Learn more aboutsuccinic acid anhydridehere:brainly.com/question/28315401#SPJ4...

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