alkanes and alkenes

Question 1

what is the definition of an alkane?

Answer 1

an alkane is a group of hydrocarbons that have single bonds in between carbon atoms

Question 2

what is the definition of an alkene?

Answer 2

an alkene is a group of hydrocarbon that have at least one double bonded in between carbon atoms

Question 3

what is the molecular formula for an alkene?

Answer 3

CnH2n

Question 4

what is the molecular formula for an alkane?

Answer 4

CnH2n+2

Question 5

what are the uses for an alkane?

Answer 5

to be made into fuels and a raw material for the production of other chemicals

Question 6

what are the uses of an alkene?

Answer 6

for the production of polymers, to be used as a solvent and a raw material for the production of other chemicals

Question 7

what are the different types of alkanes?

Answer 7

methane, propane, ethane and butane

Question 8

what are the different types of alkenes?

Answer 8

propene, ethene, methene and butene

Question 9

what is the reactivity of an alkane?

Answer 9

generally unreactive

Question 10

what is the reactivity of an alkene?

Answer 10

very reactive

Question 11

why is an alkene very reactive?

Answer 11

because it has at least one double bond

Question 12

why is an alkane generally unreactive?

Answer 12

because its C-C and C-H bonds are stong

Question 13

which of the following have higher melting and boiling points: an alkane or an alkene?

Answer 13

an alkene