EASY
AS and A Level
IMPORTANT
Earn 100
Describe a simple chemical tests to determine whether an unknown hydrocarbon is unsaturated.
Important Questions on Hydrocarbons
EASY
AS and A Level
IMPORTANT
of ethene reacts with chlorine, of dichloroethane is formed. ( values: ). Calculate the number of moles of ethene that were used.
EASY
AS and A Level
IMPORTANT
of ethene reacts with chlorine, of dichloroethane is formed. ( values: ). Calculate the number of moles of dichloroethane that were formed.
EASY
AS and A Level
IMPORTANT
of ethene reacts with chlorine, of dichloroethane is formed. ( values: ). Calculate the percentage yield.
EASY
AS and A Level
IMPORTANT
of ethene reacts with chlorine, of dichloroethane is formed. ( values: ). Calculate the number of grams of dichloroethane that would have formed if the percentage yield had been .
EASY
AS and A Level
IMPORTANT
Give two effects that a hot, concentrated solution of acidified potassium manganate() have on an alkene molecule.
EASY
AS and A Level
IMPORTANT
State how the reaction of alkenes with hot, concentrated acidified potassium manganate() is useful to chemists?
EASY
AS and A Level
IMPORTANT
An alkene is known to be either But--ene or But--ene. When heated with concentrated acidified potassium mangante() solution, bubbles of carbon dioxide gas were given off. Name the alkene.
EASY
AS and A Level
IMPORTANT
Pent--ene is heated with concentrated acidified potassium manganate() solution. Draw the displayed formulae of the products and name them.
