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does it take more energy to break a pi bond or a sigma bond?
it takes more energy to break a sigma bond
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what is an element of unsaturation?
anything that decreases the number of H's in a hydrocarbon (ex. pi bond, rings, etc.)
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how do you calculate the number of elements of unsaturation?
find number of H's if it were saturated, subtract the actual number of H's an divide by two
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When calculating the number of elements of unsaturation, how does Oxygen affect the C:H ratio?
you can ignore oxygen, it doesn't affect the C:H ratio
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When calculating the number of elements of unsaturatiuon, how does nitrogen affect the C:H ratio?
nitrogen acts like half a carbon
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count the number of elements of unsaturation in C6H7N
4 elements of unsaturation
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When naming an alkene, how do you find the parent chain?
parent chain is the longest chain containing the double bond
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in the iupac naming of an alkene, -ane changes to ___
-ene (or -diene or triene)
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When naming an alkene, name it such that the ___ _____ has the lowest possible number
double bond
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In a ring, the double bond is assumed to be located between ____ and _____
between carbon 1 and carbon 1
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