C10 Organic reactions Flashcards
What do all organic molecules contain
carbon atoms
C=C grouping is an example of what group?
functional group
What does a functional group give?
a ‘family’ of organic compounds their characteristic reactions
What is a ‘family’ of organic compounds with the same functional group called?
homologous series
Successive members of a homologous series differ from each other by an extra what?
carbon atom that has two hydrogen atoms bonded to it
What is the general formula for alkenes?
CnH2n
How can you test the ethene gas to see if its an alkene?
using a lighted splint and if it burns smokier and yellow (luminous) flame because there is incomplete combustion in alkenes
Do alkanes or alkenes release more energy per mole of combustion?
alkanes
Are alkenes or alkanes used as fuels?
alkanes because they release more energy
Are alkenes or alkanes more reactive and why
Alkenes are more reactive because of the double carbon bond because they can split the double bond and 1 molecule join each
Can you give the formula for dibromoethane
C2H4 + Br2 -> C2H4Br2
Can you draw ethene?
Can you draw butene
What are alkenes?
unsaturated compounds
What does the addition of a hydrogen molecule H2 across the double bond of an alkene do?
forms a saturated hydrocarbon - an alkane