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August 22, 2014

Homework Help: organic chemistry

Posted by believe on Wednesday, April 8, 2009 at 10:28am.

1. Student A conducted the dehydration of ethanol at 180 C and obtained a gaseous
product. Student B conducted the same experiment at 140 C and obtained a low-
boiling liquid. What were the products that each of the students made? Draw
mechanisms for the formation of these products. What could account for the
formation of two different products?
2. What would be the effect of decreasing the carrier gas flow rate, raising the column
temperature, have on the retention time?
3. What would be the effect of raising the column temperature and decreasing the
carrier gas flow rate on the ability to resolve two closely spaced peaks?
4. From your knowledge of the dehydration of tertiary alcohols, the alkene 2-
methylpropene should predominate in the product of the dehydration of what
alcohol?

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