Unit 9 Study Guide
Hydrocarbons are organic compounds which contain:
Only H and C
alkene
double bond
True or False: Isomers cannot be separated by distillation.
False
True or False: Hydrocarbons contain only carbon and hydrogen.
True
True or False: The process to separate the various components of a liquid mixture is called fractional distillation.
True
Covalent bonds share _________________.
electron pairs
What would remain a liquid longest as the temperature continues to drop?
propane
The compound of chemicals added to natural gas to give the gas an odor contains _____.
sulfur
A triple bond shares how many electrons?
6
Organic compounds MUST have what?
Carbon and Hydrogen (CH)
The general formula for the alkyne series is:
CnH2n - 2
True or False: Alkanes are chemically very reactive.
False
True or False: Isomers have different molecular formulas.
False
True or false: The carbon bond strengths of graphite and diamond are identical.
False
____________________ result from high electronegativity differences.
Ionic bonds
The hydrocarbon C2H4 is a member of the ____________ series.
alkene
soot, carbon black
amorphous carbon
What is the most important chemical reaction of the alkanes?
combustion
What characteristic describes organic compounds?
compounds of carbon and hydrogen
coke
from decomposition of coal
diamond
hard, three-dimensional
The two classifications of all chemicals are organic and _____________________.
inorganic
Why does carbon form covalent bonds?
it will usually bond to multiple atoms which can provide a total of 4 additional electrons
combustion
major reaction type for alkanes
coal
major source of today's medicine
alkane
saturated hydrocarbon series
graphite
soft, two-dimensional
alkyne
triple bond
