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CHE 1400 - Summer 2010 - Chapter 9
Homework 9
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the
question.
10) Organic chemistry is most broadly defined as
A) the chemistry of substances produced by living systems.
B) the chemistry of living systems.
C) the chemistry of the compounds of carbon.
D) the chemistry of the non-metallic compounds.
10)
11) The correct structure for benzene was proposed by ________ in 1865.
A) Faraday
B) Curie
C) Boyle
D) Kekule
11)
12) The non-carbon atom(s) generally found in heterocyclic compounds are
A) halogens.
B) sulfur and nitrogen.
C) sulfur, nitrogen and oxygen.
D) sulfur.
12)
13) The simplest aromatic amine is called
A) acetaldehydemine.
C) aniline.
13)
1) Alkaloids, like morphine, caffeine, nicotine and cocaine, are heterocyclic
A) amides.
B) ethers.
C) amines.
D) esters.
1)
2) A compound that contains only carbon and hydrogen is a(n)
A) alcohol.
B) carbohydrate.
C) hydrocarbon.
D) homolog.
2)
3) How many different structural isomers are there for a hydrocarbon with the
formula C6H14?
A) 1
B) 2
C) 3
D) > 4
3)
4) The compound formed by the reaction of a carboxylic acid with an alcohol is
a(n)
A) ether.
B) ketone.
C) aldehyde.
D) ester.
4)
14) All of the following contain more than one hydroxyl group EXCEPT
A) methanol.
B) ethylene glycol.
C) propylene glycol.
D) glycerol.
14)
5) One of the compounds that is present in rancid butter and body odor is
A) butyric acid.
B) acetic acid.
C) benzaldehyde.
D) formaldehyde.
5)
15) Which of the following alkanes will have the highest boiling point?
A) C3H8
B) C20H42
C) C8H18
D) CH4
15)
16) A molecular formula of an alkyne is
A) C9H18.
B) C5H8.
16)
6) Which of the following compounds is saturated?
A) propyne
B) butane
C) butene
6)
D) butadiene
B) aromatic ammonia.
D) acetamide.
C) C7H16.
D) C6H6.
17) How many different structural isomers are there for a hydrocarbon with the
formula C5H12?
A) 1
B) 2
C) 3
D) 4
17)
7)
18)
8) Diethyl ether is the most important of the ethers. It is an example of an ether
with the general structure
A) R'OH.
B) ROR'.
C) ROH.
D) ROR.
8)
18) Acetylene is an
A) aromatic compound.
C) alkene.
9) Amines are
A) neutral.
B) acidic.
C) basic.
D) variable with respect to acid/base behavior.
9)
7) Amino acids are the "building blocks" of
A) proteins.
C) carbohydrates.
B) fats.
D) vitamins.
B) alkane.
D) alkyne.
19) What is the name of the compound with a formula CH3CH2CH3?
A) propane
B) butane
C) ethane
D) methane
19)
20) Acetylene is
A) C2H2.
20)
B) C2H6.
C) C2H4.
21) What is the name of the compound with a formula CH3CH3?
A) methane
B) ethane
C) butane
1
2
D) CH4.
21)
D) propane
22) The general formula for an ester is
A) RCOOR'.
B) RCOOH.
C) ROR'.
22)
23) Alkanes are often called
A) saturated fats.
C) carbohydrates.
B) unsaturated hydrocarbons.
D) saturated hydrocarbons.
D) RCOR'.
30) Phenol, sometimes called carbolic acid, was the first
A) insecticide.
B) antiseptic.
C) anesthetic.
23)
31) An analgesic is a substance that acts as a(n)
A) disinfectant.
B) pain reliever.
C) anesthetic.
D) fever reducer.
24) In organic chemistry, compounds are generally classified by
A) functional group.
B) state.
C) color.
D) odor.
24)
32) The chemical formula of cyclohexane is
A) C6H6.
B) C6H8.
25) The condensed structural formula for the molecule below is
25)
A) CH3CH2C(CH3)2CH3
C) CH3CH2CH(CH3)2
B) CH3CH2CH2CH2CH2CH3
D) none of the above
26) One of the primary ingredients in vinegar is
A) formic acid.
B) hydrochloric acid.
C) butyric acid.
D) acetic acid.
26)
27) The formula of benzene is
A) C2H2.
B) C6H12.
27)
C) C4H4.
28) The compound below is commonly known as
A) acetaldehyde.
C) formaldehyde.
D) C6H6.
28)
B) acetone.
D) benzaldehyde.
29) The functional group of the organic acids is the
A) carboxyl group.
B) amine group.
C) hydroxyl group.
D) carbonyl group.
3
29)
30)
D) analgesic.
31)
32)
C) C6H12.
D) C6H10.
33) Which of the following is NOT a property of alkanes?
A) Alkanes are not soluble in water.
B) Alkanes will burn easily and can be used as fuels.
C) Alkanes have a lower density than water does.
D) Alkanes will undergo addition reactions.
33)
34) The compounds CH3CH3 and CH3CH2CH3 are
A) isomers.
B) homologs.
C) allotropes.
D) isotopes.
34)
35) The formula of methanol is
A) COH.
B) CH3OH.
D) CHOH.
35)
C) CH2OH.
36) The compound below is a(n)
36)
A) ketone.
C) aldehyde.
B) carboxylic acid.
D) alcohol.
37) The intoxicating alcohol in "alcoholic" beverages is
A) propanol.
B) ethanol.
C) methanol.
D) a mixture of the above
37)
38) Aldehydes and ketones share a common functional group. The group is the
A) carbonyl group.
B) ether group.
C) hydroxyl group.
D) phenol group.
38)
39) The first recorded synthesis of an organic compound in a scientific laboratory
was by
A) Friedrich Wöhler in 1828.
B) Isaac Newton in 1665.
C) Thomas Edison in 1888.
D) Benjamin Franklin in 1788.
39)
4
40) The unique aspect of a saturated hydrocarbon is that it must contain
A) single and double bonds.
B) single, double and triple bonds.
C) only carbon and hydrogen.
D) only single bonds.
40)
Answer Key
Testname: CHAPTER 9
C
C
3) D
4) D
5) A
6) B
7) A
8) D
9) C
10) C
11) D
12) C
13) C
14) A
15) B
16) B
17) C
18) D
19) A
20) A
21) B
22) A
23) D
24) A
25) C
26) D
27) D
28) B
29) A
30) B
31) B
32) C
33) D
34) B
35) B
36) C
37) B
38) A
39) A
40) D
1)
2)
5
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