Chem: chapter 12, 13, & 14

what is the structure of 2-methylhexane?

(CH 3)2CHCH2CH2CH2CH3

Which alcohol is most soluble in water? - (CH3)2CHCH2OH - CH3CH2CH2CH2CH2CH2CH2OH - CH3(CH2)10CH2OH - All alcohols are soluble

(CH3)2CHCH2OH

what is the structure of 2-methyl-3-hexene

(CH3)CHCH=CHCH2CH

How many different products are formed in the reaction of p-dibromobenzene with Cl2, using FeCl3 as a catalyst?

1

How many tertiary carbons are in the molecule (CH3)2CH(CH2)2CH3?

1

Which name is not a valid IUPAC name for an alkane? 2,3,4-trimethylhexane - 1-ethyl-2-butylpentane - 1-butyl-2-ethylcyclopentane - 5-butyl-2-methylnonane

1-ethyl-2-butylpentane

How many hydrogen atoms are present in a cyclic alkane with six carbon atoms?

12

How many hydrogen atoms are present in an acyclic alkane with five carbon atoms?

12

How many primary carbon atoms are in the straight-chain alkane with the formula C3H8?

2

How many secondary carbons are in the molecule (CH3)2CH(CH2)2CH3?

2

How many secondary carbons are in the straight-chain alkane with the formula C4H10?

2

What is the IUPAC name for the compound CH3CH=CHCH2CH3?

2-pentene

How many different products are formed in the reaction of m-dibromobenzene with Cl2, using FeCl3 as a catalyst?

3

Which is the molecular formula of an alkyne? - C10H18 - C9H18 - C8H18 - C10H20

C10H18

Which formula represents a cyclic alkane?

C10H20

Which formula represents an acyclic alkane?

C12H26

Which molecular formula has the largest number of constitutional isomers? C5H12 - C2H6 - C6H14 - All of the molecular formulas above have the same number of constitutional isomers

C6H14

Which fatty acid has the highest melting point? - CH3(CH2)12COOH - CH3(CH2)2CH=CH(CH2)8COOH - CH3(CH2)2CH=CH(CH2)2CH=CH(CH2)4COOH - CH3(CH2)14COOH

CH3(CH2)14COOH

Which fatty acid has the lowest melting point? - CH3(CH2)12COOH - CH3(CH2)2CH=CH(CH2)8COOH - CH3(CH2)2CH=CH(CH2)2CH=CH(CH2)4COOH - CH3(CH2)14COOH

CH3(CH2)2CH=CH(CH2)2CH=CH(CH2)4COOH

Which compound has the highest boiling point? - CH3(CH2)4CH2OH - CH3(CH2)2O(CH2)2CH3 - CH3(CH2)5CH3 - all of the compounds have the same boiling point

CH3(CH2)4CH2OH

Which compound has the lowest melting point? -CH3CH2CH2CH2CH3 -CH3CH2CH2CH2CH2CH2CH2CH3- -CH3CH2CH2CH2CH2CH3 -CH3CH2CH2CH2CH2CH2CH2CH2CH2CH3

CH3CH2CH2CH2CH3

What reagent is commonly used for alcohol dehydration?

H2SO4

IUPAC stands for

International Union of Pure and Applied Chemistry

Which types of compounds are saturated by hydrocarbons?

alkenes

What is the shape around the oxygen atom in alcohol?

bent

What is the IUPAC name of CH3CH2CH2CH3?

butane

CH3CH2CH2CH2

butyl

what configuration of a double bond is more common in naturally occurring fatty acid? - cis - trans - both

cis

the compounds 1-pentene and cis-2-pentene are an example of a pair of

constitutional isomers

Which alkane has the lowest boiling point out of octane - butane - ethane - hexane - propane

ethane

CH3CH2

ethyl

(TorF) A branched alkane and a cycloalkane with the same number of carbons have the same number of hydrogen atoms in their chemical formulas

false

(TorF) Alkanes containing only secondary carbon atoms do not exist.

false

(TorF) All organic molecules must have at least one primary carbon atom

false

(TorF) Natural gas is composed primarily of propane

false

(TorF) The addition of water to an alkene is called a hydrogenation reaction

false

(TorF) acromatic hydrocarbons and alkenes undergo the same kind of addition reactions

false

(TorF) an organic compound is classified as aromatic if it is cyclic and has a fragrant odor

false

(TorF) fats are solids at room temp and are generally formed from fatty acids having a large number of double bonds in their carbon chains

false

(TorF) maokovnikov's rule is used to predict the addition products of benzene

false

(TorF) the common name for methylbenzene is aniline

false

(TorF) the double bonds in naturally occurring fatty acids are typically trans

false

(TorF) the following compound soluble in water: CH3CH2CH2CH2-O-CH2CH3

false

(TorF) when an alkene undergoes an addition reaction, new atoms replace the hydrogen atoms on the carbons that are part of the double bond

false

What is the IUPAC name of CH3CH2CH2CH2CH2CH3?

hexane

CH3CH2CH2CH2CH2CH2

hexyl

parent name

indicates the number of C's in the longes continuous carbon chain in the molecule

suffix

indicates what the functional group is present

What has the highest boiling point out of natural gases - lubricating oil - gasoline - kerosene - fuel oil

lubricating oil

CH3

methyl

The compounds o-chlorophenol and m-chlorophenol are examples of

molecules that are constitutional isomers

What is the product of the reaction 2-pentene + H2 --(Pd)-->> ?

pentane

CH3CH2CH2CH2CH2

pentyl

CH3CH2CH2

propyl

What does the IUPAC do

provides a system of naming organic compounds

the molecules cis-2-pentene and trans-2-pentene are an example of a pair of

stereoisomers

Which is NOT a property associated with tetradecane, a 14-carbon straight chain alkane? strong hydrogen bonds - density less than water - low water solubility - flammable liquid

strong hydrogen bonds

What is the functional group in thiols?

sulfhydryl group

prefix

tells the identity, location, and number of substituents attached to the carbon chain

(TorF) Acyclic alkanes with four or more carbon atoms have constitutional isomers.

true

(TorF) CO2 is a greenhouse gas

true

(TorF) Essential fatty acids cannot be synthesized by the human body and therefore must be obtained in the diet

true

(TorF) The combustion of alkanes and other hydrocarbons obtained from fossil fuels adds a tremendous amount of CO2 to the atmosphere each year.

true

(TorF) The products of the complete combustion of any hydrocarbon are CO2 + H2O, regardless of the identity of the starting material.

true

(TorF) an alkene has the general molecular formula CnH2n, where n is the number of carbons in the compound

true

(TorF) butter and lard are composed mostly of saturated fatty acids

true

(TorF) compounds containing two or more benzene rings that share carbon-carbon bonds are called polycyclic aromatic hydrocarbons (PAHs)

true

(TorF) ethers are organic compounds that have two alkyl groups bonded to an oxygen atom

true

(TorF) partial hydrogenation of soybean oil has the effect of decreasing the number of carbon-carbon double bonds in the oil

true

(TorF) phenols are antioxidants

true

(TorF) primary alcohols are first oxidized to aldehydes (RCHO), which are further oxidized to carboxylic acids (RCOOH)

true

(TorF) the compound 2,3-dimethyl-2-butene has cis and trans stereoisomers

true