C6 Global Carp Flashcards
What are the features of a homologous series?
Same general formula Same functional group Members differ by CH2 Trends in physical properties Similar chemical reactions
General formula for alkanes
CnH(2n+2)
Alkenes general formula
CnH(2n)
Alkanes functional group
None
Alkenes functional group
C=C carbon carbon double bond
How are alcohols formed?
By reacting Alkenes with water
Alcohol functional group
OH
Alcohols general formula
CnH(2n+1)OH
How are carboxylic acids formed
When alcohols react with with oxidising agents
Potassium manganate (VII)
Carboxylic acid general formula
C(n-1)H(2n+1)COOH
Carboxylic acid functional group
COOH
How are Alkenes made?
By cracking larger alkanes
How are esters made?
Reacting carboxylic acid with alcohols
What is the ester function group?
COO
What is the amide function group
CONH
What are polyamides made of
Carboxylic acid with two carboxyl groups and amines with two amino groups
What are polyesters made of?
Carboxylic acid with two carboxyl groups and an alcohol with two hydroxyl groups
What is a saturated compound?
An organic compound in which all the carbon atoms are connected by single bonds
What observations can be made when alcohol reacts with potassium manganate
Turns from purple to pale pink as it becomes reduced to manganese ions
ethanol + oxidising agent → ethanoic acid + water
Symbol formula
CH3CH2OH + 2[O] → CH3COOH + H2O
What is the function group?
Atom or group of atoms where a reaction takes place