Organic Chem Unit 7 Flashcards
What is structural formula (eg)?
CH3CH2CH2CH2OH (butanol)
Uses of alcohol?
Fuels
Cleaning products
Mouthwash
Why is there a vast array of natural and synthetic carbon compounds?
Carbon atoms have the ability to form families of similar compounds
What is the name of the acid that has two -COOH functional groups/What is the name of the double -COOH functional group?
Dioic acid OR dicarboxylic acid/carboxylic acid
Give an example of a dioic acid.
Ethanediol acid
What is the functional group of an ester?
-COO
What is the NAME of a -COO functional group?
Ester!
Structural formula for ethanoic acid?
CH3COOH
How do you make an ester?
Alcohol + Carboxylic acid —> Ester + Water
What makes a condensation reaction?
Different monomers with different functional groups react
Small molecule made
The functional groups of the monomers SPECIFICALLY react together
What is the chemical equation that reacts with alcohol to get at least a carboxylic acid?
Alcohol + OXIDISING AGENT —> propanoic acid + WATER
What type of reaction is cracking and why?
Thermal decomposition as it’s breaking down a compound using heat to smaller compounds.
Why do we need hydrocarbons in modern life?
Alkanes for fuel, alkenes for plastics or polymers
What is the formula for fermenting alcohol?
Glucose (aq)—>(yeast is an ENZYME) ethanol (AQ) + carbon dioxide (g)
Fermentation state symbol equation?
C6H12O6 —> 2 C2H5OH + 2CO
Why is there a vast array of natural and synthetic carbon compounds?
Carbon atoms have the ability to form families of similar compounds
What is the name of the acid that has two -COOH functional groups/What is the name of the double -COOH functional group?
Dioic acid OR dicarboxylic acid/carboxylic acid
Give an example of a dioic acid.
Ethanediol acid
Structural formula for ethanoic acid?
CH3COOH
Do alkenes burn with a smoky flame? Why?
Yes as it tends to burn with incomplete combustion
What is the name of a reaction that produces an ester?
Esterification reaction
What is the general formula for carboxylic acid?
CnH2nO2
What happens when you put carboxylic acid in water?
Hydrogen ions + alkanoate ions
What is the chemical equation for putting carboxylic acid I water?
Carboxylic acid ⇌ H+ + RCOO-
Hydrogen ions + methanoate ions
Define unsaturated
Molecule that contains one or more double covalent bonds
Define saturated
Molecule that only contains single covalent bonds
Why does the ionisation of carboxylic acid/putting the carboxylic acid in water show it is a WEAK acid?
Partially dissociates in water leaving a low concentration of H+ ions
What happens when you react a diol and a dioic acid in a CONDENSATION POLYMERISATION reaction
Polyester + water
Properties of an ester?
Fragrant and volatile
Define volatile
Easily evaporates at room temperature
Use of ester?
Food flavourings
In addition polymerisation, does the repeating unit of the polymer have the same atoms it’s the monomer?
Yes (no other molecule is formed in the reaction)
What is functional group of an amine group and carboxylic?
-NH2 and -COOH
What happens when amine and carboxylic acid functional group react together?
Get an AMIDE bond (-CONH)