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CHE 1400 - Spring 2015 - Chapter 9
Homework 9
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the
question.
1) The simplest aromatic amine is called
A) aromatic ammonia.
C) aniline.
1)
B) acetamide.
D) acetaldehydemine.
2) The compound formed by the reaction of a carboxylic acid with an alcohol is
a(n)
A) aldehyde.
B) ketone.
C) ether.
D) ester.
2)
3) Amino acids are the "building blocks" of
A) vitamins.
C) proteins.
3)
B) carbohydrates.
D) fats.
4) The compounds CH3CH3 and CH3CH2CH3 are
A) allotropes.
B) isomers.
C) isotopes.
4)
D) homologs.
5) The compound below is commonly known as
A) acetone.
C) acetaldehyde.
5)
B) formaldehyde.
D) benzaldehyde.
6) Organic chemistry is most broadly defined as
A) the chemistry of substances produced by living systems.
B) the chemistry of the non-metallic compounds.
C) the chemistry of the compounds of carbon.
D) the chemistry of living systems.
6)
7) The non-carbon atom(s) generally found in heterocyclic compounds are
A) halogens.
B) sulfur.
C) sulfur, nitrogen and oxygen.
D) sulfur and nitrogen.
7)
8) Phenol, sometimes called carbolic acid, was the first
A) antiseptic.
B) analgesic.
C) insecticide.
8)
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D) anesthetic.
9) The correct structure for benzene was proposed by ________ in 1865.
A) Boyle
B) Curie
C) Kekule
D) Faraday
9)
10) All of the following contain more than one hydroxyl group EXCEPT
A) propylene glycol.
B) ethylene glycol.
C) methanol.
D) glycerol.
10)
11) The condensed structural formula for the molecule below is
11)
A) CH3CH2C(CH3)2CH3
C) CH3CH2CH2CH2CH2CH3
B) CH3CH2CH(CH3)2
D) none of the above
12) Alkaloids, like morphine, caffeine, nicotine and cocaine, are heterocyclic
A) amides.
B) ethers.
C) esters.
D) amines.
12)
13) Acetylene is an
A) alkene.
C) alkyne.
13)
14) Acetylene is
A) C2H6.
B) alkane.
D) aromatic compound.
14)
B) C2H2.
C) C2H4.
15) The chemical formula of cyclohexane is
A) C6H8.
B) C6H6.
D) CH4.
15)
C) C6H10.
D) C6H12.
16) What is the name of the compound with a formula CH3CH2CH3?
A) methane
B) ethane
C) propane
D) butane
16)
17) How many different structural isomers are there for a hydrocarbon with the
formula C6H14?
A) 1
B) 2
C) 3
D) > 4
17)
18) Which of the following compounds is saturated?
A) butane
B) butadiene
C) propyne
18)
2
D) butene
19) How many different structural isomers are there for a hydrocarbon with the
formula C5H12?
A) 1
B) 2
C) 3
D) 4
19)
20) Aldehydes and ketones share a common functional group. The group is the
A) carbonyl group.
B) hydroxyl group.
C) ether group.
D) phenol group.
20)
21) An analgesic is a substance that acts as a(n)
A) fever reducer.
B) pain reliever.
C) disinfectant.
D) anesthetic.
21)
22) The unique aspect of a saturated hydrocarbon is that it must contain
A) single, double and triple bonds.
B) only single bonds.
C) only carbon and hydrogen.
D) single and double bonds.
22)
23) One of the primary ingredients in vinegar is
A) formic acid.
B) acetic acid.
C) butyric acid.
D) hydrochloric acid.
23)
24) A molecular formula of an alkyne is
A) C6H6.
B) C9H18.
24)
C) C5H8.
D) C7H16.
25) Amines are
A) basic.
B) acidic.
C) neutral.
D) variable with respect to acid/base behavior.
25)
26) In organic chemistry, compounds are generally classified by
A) odor.
B) functional group.
C) color.
D) state.
26)
27) The functional group of the organic acids is the
A) carboxyl group.
B) hydroxyl group.
C) amine group.
D) carbonyl group.
27)
28) The formula of methanol is
A) CH3OH.
B) CHOH.
28)
C) CH2OH.
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D) COH.
29) Which of the following is NOT a property of alkanes?
A) Alkanes have a lower density than water does.
B) Alkanes will undergo addition reactions.
C) Alkanes are not soluble in water.
D) Alkanes will burn easily and can be used as fuels.
29)
30) The first recorded synthesis of an organic compound in a scientific laboratory
was by
A) Isaac Newton in 1665.
B) Friedrich Wöhler in 1828.
C) Benjamin Franklin in 1788.
D) Thomas Edison in 1888.
30)
31) The formula of benzene is
A) C6H12.
B) C2H2.
31)
C) C4H4.
D) C6H6.
32) Which of the following alkanes will have the highest boiling point?
A) CH4
B) C3H8
C) C8H18
D) C20H42
32)
33) A compound that contains only carbon and hydrogen is a(n)
A) hydrocarbon.
B) carbohydrate.
C) homolog.
D) alcohol.
33)
34) One of the compounds that is present in rancid butter and body odor is
A) benzaldehyde.
B) formaldehyde.
C) acetic acid.
D) butyric acid.
34)
35) The intoxicating alcohol in "alcoholic" beverages is
A) methanol.
B) propanol.
C) ethanol.
D) a mixture of the above
35)
36) Alkanes are often called
A) saturated hydrocarbons.
C) saturated fats.
36)
B) carbohydrates.
D) unsaturated hydrocarbons.
37) The compound below is a(n)
37)
A) ketone.
C) carboxylic acid.
B) aldehyde.
D) alcohol.
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38) The general formula for an ester is
A) RCOR'.
B) RCOOR'.
38)
C) ROR'.
D) RCOOH.
39) Diethyl ether is the most important of the ethers. It is an example of an ether
with the general structure
A) ROH.
B) R'OH.
C) ROR.
D) ROR'.
39)
40) What is the name of the compound with a formula CH3CH3?
A) ethane
B) propane
C) butane
40)
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D) methane
Answer Key
Testname: CHAPTER 9
C
2) D
3) C
4) D
5) A
6) C
7) C
8) A
9) C
10) C
11) B
12) D
13) C
14) B
15) D
16) C
17) D
18) A
19) C
20) A
21) B
22) B
23) B
24) C
25) A
26) B
27) A
28) A
29) B
30) B
31) D
32) D
33) A
34) D
35) C
36) A
37) B
38) B
39) C
40) A
1)
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