Unit 5 Organic Chem Flashcards
What is the general formula for alkanes?
Cn H2n+2
What does the name of alkanes consist of?
A prefix that states the number of carbon chains and a suffix of “ane”
What is the prefix for the carbon chain of one carbon?
meth
What is the prefix for the carbon chain of two carbons?
eth
What is the prefix for the carbon chain of three carbons?
prop
What is the prefix for the carbon chain of four carbons?
but
What is the prefix for the carbon chain of five carbons?
pent
What is the prefix for the carbon chain of six carbons?
hex
What is the prefix for the carbon chain of seven carbons?
hept
What is the prefix for the carbon chain of eight carbons?
oct
What are the Alkyl radicals?
- methyl CH3
- ethyl C2H5
- propyl C3H7
What are the reactions of Alkanes?
1) Complete reaction
2) Incomplete reaction
3) Substitution reaction
What is the chemical reaction of an Alkane complete reaction?
CH4(g) + 2O2(g) -> CO2(g) + 2H2O(g)
What are the products of an Alkane incomplete reaction?
a) CO(g) + H2O(g)
b) C(s) + H2O(g)
What is the chemical reaction of an Alkane substitution reaction?
CH4 + (Halogen)2 + UV light -> CH3(halogen) + H(halogen)
What is the solubility characteristic of Alkanes?
saturated compounds
What is the solubility characteristic of Alkenes?
unsaturated hydrocarbons
What is the general formula for Alkenes?
Cn H2n
What are the types of reactions for Alkenes?
1) Combustion reaction
2) Addition reaction with:
a) halogens
b) hydrogen gas
c) water
d) hydrogen halides
3) Addition Polymerization
What is the chemical reaction of an Alkene combustion?
C2H4(g) + 3O2(g) -> 2CO2(g) + 2H2O(g)
What is the chemical reaction of an Alkene addition reaction with halogens?
CH3-CH=CH2 + (halogen)2 -> CH3-CHBr-CH2Br
What is the chemical reaction of an Alkene addition reaction with hydrogen gas?
CH2=CH2 + H2 -> CH3-CH3
What is the chemical reaction of an Alkene addition reaction with water?
CH3-CH=CH-CH3 + HOH -> CH3-CH2-CHOH-CH2
What is the chemical reaction of an Alkene addition reaction with hydrogen halides?
CH3-CH=CH-CH3 + HBr -> CH3-CHBr-CH2-CH3
What is the chemical reaction of an Alkene addition plymerization?
n CH2=CH2 -> -(-CH2-CH2-)-n
What are the prefixes of the halides?
fluoro
chloro
bromo
iodo
What are the types of halides?
Primary
Secondary
Tertiary
How is the type of halide determined?
The type of organic halide is determined by the number of carbon atoms bonded to the carbon with the halogen.
What is the characteristic of on alcohol?
Contains on OH
What is the suffix for on alcohol?
drop the “e” add “-ol”
What is the characteristic of a carboxylic acids?
O O
ll ll
R - C - OH ↔ R - C- O^- + H^+ or R - COOH
How do you name carboxylic acids?
drop the “e” and add “oic acid”
What is the name of HCOOH?
methanoic acid or formic acid
What is the name of CH3COOH?
ethanoic acid or acetic acid
What is the characteristic of amides?
O
ll
R - C - NH2
What is the characteristic of an aldehyde?
C=O at the start of the carbon chain
What is the characteristic of a ketone?
C=O in the middle of the carbon chain
What is the suffix for aldehydes?
drop “e” and add “al”
What is the suffix for a ketone?
drop “e” and add “one”
What is the characteristic of an ester?
O
ll
R - O - C - R’
What is the suffix for an ester?
drop “e” and add “oate”
What is the characteristic of an amines?
a branch of NH2
What is the prefix of amines?
amino
What is the characteristic of an aromatic compound?
Contains a benzene ring
When primary, secondary, and tertiary alcohols are heated up through simple distillation what will they form?
Primary alcohols will form Aldehydes
Secondary alcohols will form Ketones
Tertiary alcohols cannot undergo this reaction
What happens when a primary alcohol is oxidized?
forms a carboxylic acid
What is a nucleophilic substance?
A substance that contains an unbonded pair of electrons
What are the stages of the free radical mechanism for alkane substitution reaction called?
Stage i : initiation
Stage ii : propagation
Stage iii : termination
What is the chemical reaction for the initiation stage?
(halogen)2 + UV light -> 2(halogen)•
What is the chemical reaction for the propagation stage?
(halogen) • + H-CH3 -> •CH3 + H(halogen)
(halogen) 2 + •CH3 -> (halogen)-CH3 + (halogen)•
What is the chemical reaction of the termination stage?
(halogen)• + (same halogen)• -> (halogen)2
(halogen)• + •CH3 -> (halogen)-CH3
•CH3 + •CH3 -> C2H6