Alkenes

Question 1

what is the general formula

Answer 1

CnH2n

Question 2

what is the shape of alkenes

Answer 2

planar with no rotation

Question 3

how do alkenes form position isomers

Answer 3

double bond is in different positions

Question 4

what are the physical properties of alkenes

Answer 4

only vdw forces act on alkene molecules. and are not soluble in water

Question 5

how do alkenes react

Answer 5

-double bond affects it
more reactive than alkanes
-electrophilic additions occur

Question 6

what is the test for a double bond

Answer 6

bromine is added to the alkene

Question 7

how does biodegradability affect alkenes

Answer 7

due to their strong C-C bond and C-H which makes it less susceptible to biological agents making them un degradable

Question 8

what is mechanical recycling

Answer 8

separate the different plastics, and are washed and grounded into small pellets and melted and molded.

Question 9

what is feedstock recycling

Answer 9

heated to form monomers to make new plastics this can only be done a limited amount of times.