7-Dimethyloctane

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In the E2 reaction, the 3-chloro-3, 7-dimethyloctane was dehydrohalogenated with potassium hydroxide in ethanol. This resulted in 1.693 g of 3, 7-dimethyl-3-octene or 54.38% of percentage yield (calculated using Formula 1). In addition, the product reacted positively to the bromine and permanganate tests, which was proven from the change in color after the addition of the testing compound.
PY= (Final wt. /Initial wt.) *100= (1.693 g/3.113 g) *100
Formula 1

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