Dr. Williams Chem 2 Final
Addition of Br2 to cyclohexene gives which compound as the final product?
1,2-dibromocyclohexane
give the number of covalent bonds that a carbon atom can form
4
An Alkyne with 4 carbon atoms has how many hydrogen atoms?
6
All of the following are isomers of 2-butene (C4H8) except: A. cis-2-butene B. trans-2-butene C. cyclobutene D. 1-butene E. 2-methylpropene
C. cyclobutene
Which of the following compounds cannot exist: C2H3, C2H4, C3H8, C4H10, C3H4?
C2H3
Write a balanced chemical equation to represent the combustion of 2,2-dimethylpropane.
C5H12 + 8O2 ---> 5CO2 +6H2O
Identify the formula for an alkene
CnH2n
What is the IUPAC name for formaldehyde?
methanal
Write the balanced chemical equation to represent the reaction of 3-ethyl-2-methylhexane with Br2
C9H20 + Br2 ---> C9H19Br + HBr
give the product for the dehydration (removal of water) of Ch3Ch2CH3Ch2OH
CH3CH=CH2
identify the formula for an alkane
CnH2n+2
Hydrogen bonding occurs between hydrogen and... A. Oxygen B. fluorine C. nitrogen D. all of these E. none of these
D. all of these
Determine the products in the following reaction: Benzene + CH3CH2Cl
ethylbenzene and HCl
True or False? 2-pentanone can be oxidized
false
What is the chief source of hydrocarbons in nature
fossil fuels
Comparison of the boiling points of aldehydes and ketones with those of other compounds of similar mass shows that they are
higher than those of alkanes but lower than those of alcohols
oxidation of a secondary alcohol produces a
ketone
A molecule of propene contains
one carbon-carbon double bond
What kind of carbon is 3-methylheptane? (Unsaturated or saturated)
saturated
True of false? Ketones are resistant to oxidation and aldehydes readily undergo oxidation
True
True or false? Aldehyde molecules cannot hydrogen bond to other aldehyde molecules
True
Ethyne burns in oxygen to form carbon dioxide and water. What are the coefficients required to balance the chemical equation for the combustion of ether below? C2H2 + XO2 ---> YCO2 + ZH2O
X = 2.5, Y=2, Z=1
Alkenes undergo what kinds of reactions?
addition and combustion
When a primary alcohol undergoes an oxidation reaction, it results in a...
aldehyde
What kind of compound is CH3CH2CH=O
an aldehyde
Oxidation of an aldehyde results in a
carboxylic acid
The main types of reactions that saturated hydrocarbons participate in are
combustion and substitution
Two atoms share four electrons. What type of bond is formed between these two atoms?
double bond
Organic compounds called isomers have
the same molecular formulas but different physical structures