Melting point analysis

The melting point measurements corresponding to the product formed from reacting benzil starting material in isopropanol solvent can be found below.

pure product of benzil in isopropanol

This video has two frames: on the left, a close up view of the interior of the melting point apparatus in which a thin, clear glass capillary tube has been packed with a small amount of white crystalline solid and inserted into a metal frame; on the right, a screen displays the temperature of the metal frame in degrees Celsius as the apparatus is heated. The some point during heating, the white solids begin to “sweat” droplets of clear liquid until the entirety of the solid has melted into a clear puddle at the bottom of the capillary tube. Please seek assistance in determine the temperatures at which these changes occur.

mixed with benzoin starting material

This video has two frames: on the left, a close up view of the interior of the melting point apparatus in which a thin, clear glass capillary tube has been packed with a small amount of white crystalline solid and inserted into a metal frame; on the right, a screen displays the temperature of the metal frame in degrees Celsius as the apparatus is heated. The some point during heating, the white solids begin to “sweat” droplets of clear liquid until the entirety of the solid has melted into a clear puddle at the bottom of the capillary tube. Please seek assistance in determine the temperatures at which these changes occur.

mixed with product of benzoin in isopropanol

This video has two frames: on the left, a close up view of the interior of the melting point apparatus in which a thin, clear glass capillary tube has been packed with a small amount of white crystalline solid and inserted into a metal frame; on the right, a screen displays the temperature of the metal frame in degrees Celsius as the apparatus is heated. The some point during heating, the white solids begin to “sweat” droplets of clear liquid until the entirety of the solid has melted into a clear puddle at the bottom of the capillary tube. Please seek assistance in determine the temperatures at which these changes occur.

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