Unit 1 (Chemical Changes of Organic Compounds) Flashcards
(38 cards)
what are Organic substances?
All substances with carbon are organic
What is the exception to organic substances?
H20, CO, and CO2 are not organic carbons. Ionic compounds are also not organic
What are fossil fuels? What are some examples?
An energy resource believed to be the accumulated remain of plants and animals from the past geological periods. Examples are coal and petroleum.
What are hydrocarbons? What are some examples?
A hydrocarbon is a molecule made up of ONLY hydrogen and carbon, it is made after all other atoms and bacteria is removed. Hydrocarbons come in different sizes, crude oil is an example of a hydrocarbon.
What is an alkANE
Hydrocarbons with ONLY single bonds
What is an alkENE
Hydrocarbons containing one or more double bonds
What is an AlkYNE
Hydrocarbons containing one or more triple bonds
What is saturation?
Is when a hydrocarbon (or any molecule) only contains single bonds.
What is unsaturated?
Hydrocarbons (or any molecule) with double or triple bonds
What is hydrogenation?
When hydrogen is added to an unsaturated hydrocarbon to reduce the number multiple bonds
What are cycloalkanes and cycloalkenes ?
Alkanes that have carbon atoms that form a ring (called alicyclic compounds). Alkenes that have at least one double bond.
(When naming a ring always start with the double bond)
What is a benzene?
When six carbons form a ring a new class of hydrocarbon is created called ‘aromatic’. Benzene is the first member of an aromatic hydrocarbon
What are isomers?
They are when carbons are rearranged to form different shapes with the same number and type of atoms.
What is Fractional Distillation?
When substances are separated according to size of molecule and boiling point. Smaller hydrocarbons with smaller boiling points generally move to the top, while bigger ones go to the bottom.
What is Solvent extraction?
A solvent is used to selectively dissolve and separate desirable products or to remove impurities.
What is catalytic Reforming?
changes straight chain alkanes into benzene or aromatic hydrocarbons
What is Alkylation?
Changes straight chains into branched alkanes
What is Hydrocracking?
Using hydrogen to break longer chains into smaller ones
What is removing sulfur?
Water gets removed from oil and separated into hydrogen to become a fuel source and sulfur goes to fertilizer companies to be used in fertilizers.
What is incomplete combustion?
it occurs when amounts of oxygen are low, they can still be balanced.
What are Halides/Halocarbons
They are hydrocarbons where a halogen replaces the hydrogen.
What is an addition reaction?
An organic reaction that requires a double or triple bond (unsaturated molecule), that is then broken when a small diatomic atom is added to it. (requires a catalyst, usually light)
What is a substitution reaction?
An organic reaction where a C-H bond is broken in an alkane or aromatic and ONE (halogen) atom is added
What is an elimination reaction?
Organic reaction that removes atoms/groups of atoms to form alkenes and water