Chemistry Chapter 12ii End-of-Chapter Exam
Which of the following compounds is an amine?
(CH3CH2)2NH
Name the following compound. Weird looking web
2,3-dimethylpentane
Which of the following names are correct?
2-methyl-4-pentyne 3-ethyl-1-butyne 3-butyl-3-propyl-1-pentyne Correct! 3-methyl-1-butyne 3-ethyl-3-butyl-1-hexyne
How many alcohols and ethers share the molecular formula C3H8O?
3
How many isomers are there for C5H12?
3
Which of the following alkane names is correct?
3,3-dipropylpentane 3-ethyl-4-methylbutane 4-ethyl-5-propylheptane Correct! None of the above names are correct. 2,3-diethylpropane
Name the following compound. CH2CH2CHZCH3 I CH3CH2CC=CH I CH2CH2CH3
3-ethyl-3-propyl-1-heptyne
Name the following compound. CH3CHCH3 I CH3CH2CH2CHC=CH
3-isopropyl-1-hexyne
How many isomers share the molecular formula C4H9Br?
4
How many noncyclic isomers including geometric isomers of C4H8 exist?
4
Name the following compound. CH3 H2C===CH---CH2CHCH3
4-methyl-1-pentene
How many isomers share the molecular formula C6H14?
5
Which of the following statements is false regarding functional groups?
A functional group consists of only carbon and hydrogen atoms.
Which of the following statements about isomers is false?
All alkanes have branched chain isomers.
Which of the following alkane names is correct?
All of the above names are correct. Correct! 2-methyl-3-propylhexane 1-methylnonane 1,2-dimethylhexane 4,5-diethylpentane
Find the structure for 2,3,5,7-tetramethyloctane
CH3 I H3C-C--C I (Two H2, three CH3, three H3C, seven C ) (end with CH3,Ch3)
Give the condensed structural formula for 3-methyl-3-hexene.
CH3CH2C(CH3)=CHCH2CH3
Which condensed structure below representing an alkane is not correct?
CH3CH2CH2CH3 I CH3
Give the condensed structural formula for 3-bromopentane.
CH3CH2CHBrCH2CH3
Which is the condensed structure of a straight-chain hydrocarbon?
I
Which of the following compounds is an ester?
O II CH3CH2C---O---CH3
Which functional group below represents a ketone?
O I II I -C-C-C I I
Alcohols are hydrocarbon derivatives in which one or more hydrogens have been replaced by a hydroxyl functional group. ________ is the general formula of an alcohol.
R-OH
Which of the following is a general formula for an amine?
RNH2
What class of compound is the following? CH3-CH2-OH
alcohol
What class of compound has the following general formula? O II Ar-C-H
aldehyde
The functional groups in the molecule below are H2NCH2CO2H
alkane, amine, and carboxylic acid.
What class of compound has the following general formula? O II R-C-NH2
amide
What class of compound has the following general formula? O II R-C-NH2
amide
What is the term for the part that remains after a hydrogen atom is removed from an arene?
aryl group
What is the term for the C=O group?
carbonyl group
What is the term for the -COOH group?
carboxyl group
What class of compound has the following general formula? O II Ar-C-OH
carboxylic acid
What functional group is present in the following structure of thyroxine (thyroid hormone)?
carboxylic acid organic halide amine Correct! all of the above ether
What is the term for a chemical reaction in which a hydrocarbon reacts rapidly with oxygen?
combustion reaction
Compounds that have the same formula but different molecular structures are called
isomers
What class of compound is the following? C6H5-OH
phenol
What is the term for the part that remains after a hydrogen atom is removed from a benzene molecule?
phenyl group
Two compounds are considered as isomers if they have the:
same molecular formula AND different structure.
What is the term for a chemical formula that shows the arrangement of atoms in a molecule?
structural formula
