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56 Cards in this Set

  • Front
  • Back

Hydrocarbon derivatives

Formed when one or more hydrogen atoms are replaced by an element or a group of elements other than hydrogen

Functional groups

A specific arrangement of atoms within a molecule responsible for important characteristics and properties

Organic halides

One or more H atoms are replace by halogen atom

Halogens

F2, Cl2, Br2, I2

An alkyl halide is formed by

Replacing an H in a hydrocarbon with a halogen

When naming an alkyl halide the suffix of the halogen -INE is replaced with

- o

Addition reaction

Two reactants added together to form single product

Substitution reactions

Two reactants exchange parts to give 2 new products

Define an addition reaction

Atom or molecule is added to an UNSATURATED molecule thus increasing saturation of the molecule

Hydrogenation is a type of ______ reaction

Addition

Hydrogenation is

When one of more H atoms are added to unsaturated molecule to break a triple or double bond

Halogens take the place of hydrogen due to their

Higher electro negativity

Alcohol

Class of organic compounds with an -OH group (hydroxyl)

General form of alcohols

R-OH

All straight chain alcohols with less than ____ carbons are _____ at STP

12, liquids

Alcohols tend to have high _____ due to _____

Boiling point, hydrogen bonds

Short chain alcohol solubility

Soluble in water

Primary alcohol

1 carbon

Secondary alcohol

2 carbons attached to the hydroxyl

Tertiary alcohol

3 carbons attached to hydroxyl

What must be included when determining parent chain of alcohol

Longest chain with hydroxyl

When naming alcohols you substitute the suffix -e with ____ and number the ____ of ______

-ol, position, -OH

When naming alcohol where do you number?

Closest to hydroxyl

Alcohols containing 2,3,4 of -OH substituents are named

Diols, triols, tetriols

Phenols

Compounds in which a hydroxyl group is attached directly to an aromatic ring (benzene)

Cracking

Larger molecule broken down to smaller molecule

Elimination is process used to make

Ethene

Elimination is the reverse of

addition (synthesis)

In elimination reactions when taking away a hydrogen you must take away whatever is

Adjacent to it

Dehydrohalogenation

(- h2o and halogen ion)

Dehydration

A hydrogen atom and a hydroxyl group from an adjacent carbon are eliminated and combine to form water

Caboxylic acid: functional group

- COOH

In a carboxylic acid are the oxygen atoms joined together ?

No

General formula of carboxylic acids?

R-COOH

Structure of caboxylic acid

Oxygen double bonded to the carbon and the hydroxyl bonded to the same carbon with a single bond

Naming Rules for carboxylic acids (3)

1. Identify parent chain


2. Number carboxyl carbon as 1


3. Remove -e ending and replace with - oic acid

acetic acid is ?

ethanoic acid

when using prefixes di, tri, tetr for carboxyls how do you name the parent chain?

leave the -e. EX: pentanedioic acid

Esters give flowers and fruits their _______ and ________

fragrances and flavours

In an ester the H in the carboxylic group is replaced with an ________ group

alkyl

general form of esther

R-COO-R

Esthers are

condensation products of carboxylic acids with the removal of water (dehydration synthesis)

Do esters have a higher or lower boiling point than the hydrogen carboxylic acids it came from ?

lower


Formula for esterification

carboxylic acid + alcohol --> ester + water q

Naming Esters (2)

1. First word is alkyl attached to singel bonded oxygen from alcohol


2. Second word take the acid name and remove the -ic acid -oate



Esterification is

reaction of a carboxylic acid and alcohol in the presence of a catalyst, results in formation of an ester and water

Esterification is also called a

condensation reaction

Hydrolosis is the reverse of

esterification

Process of hydrolosis

ester reacts with water and acid catalyst to produce carboxylic acid and alcohol

polymer

any long chain molecule synthesized by linking together single parts called monomers

monomer

simplest non-redundant unit from which a polymer is synthesized

a polymer that can be molded when hot and retains its shape when cooled

plastic

thermoplastic

polymer that can be melted and molded into a shape that is retained when it is cooled

thermoset plastic

polymer that can be molded when first prepared, but once it is cooled, hardens irreversibly and cannot be remelted

properties of polymers (3)

- strong attractive forces between chains results in stronger, less flexible polymer


- chains able to slide past each other = flexible polymer


- can function like a stack of paper


Do longer chains make stronger polymers?

yes