The grignard reagent

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Issue:

Science

 

Written by:

Tammy K

 

Date added:

October 2, 2014

 

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Grade:

A

 

No of pages / words:

3 / 619

 

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2025 times

 

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Essay content:

The melting point measured was between 153 degrees Celsius and 157 degrees Celsius. The literature value for the melting point of the product is 164.2 degrees Celsius. The percent yield determined was fifty-nine percent. Although, the melting point is close to the literature value, it can be determined that there are impurities in the product...
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These impurities could be a result of the byproduct biphenyl, which occurs when two phenyl radicals combine during the synthesis of the Grignard Reagent, or because of the presence of water in any of the reaction tubes, which destroys the Grignard Reagent causing no reaction to occur. Magnesium chips were crushed with a mortar and pestle to rid the magnesium of any oxide coating and placed in a microscale reaction tube...
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