Alkenes are ………………………….. hydrocarbons

• saturated

• unsaturated

• diplotic

• monoprotic

The names of alkenes end with ……………………………

• anes

• enes

• ane

• ene

The general formula for alkenes is ……………………………

• C_nH_2n+1 , n = 1, 2, 3, 4, 5…

• C_nH_2n , n = 1, 2, 3, 4, 5…

• C_nH_2n+1 , n = 2, 3, 4, 5…

• C_nH_2n , n = 2, 3, 4, 5…

Generally alkenes have …………………….. melting and boiling point but ………………..as the number of carbon atoms per molecule increases

• high, decrease

• low, decrease

• high, increase

• low, increase

Which of the following are NOT the physical properties of Alkenes?

• Cannot conduct electricity

• Low density

• Soluble in water

• Neutral compounds

Alkenes burn with more …… flame compared with alkanes of the same number of carbon atoms because the percentage of carbon by mass in alkenes is ……

• blue, higher

• sooty, higher

• sooty, lower

• blue, lower

• I and II

• I and IV

• II and III

• II and IV

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D