Questions (2006)

# Question Topic Actions
1
What is the major product of the hydration of 1-butyne (CH3CH2C≡CH) with HgSO4/…
Alkynes: Structure, Bonding, and Nomenclature View
2
Which catalyst is used for the partial hydrogenation of an alkyne to a cis-alke…
Alkynes: Structure, Bonding, and Nomenclature View
3
What is the hybridization of each carbon atom in a carbon-carbon triple bond?
Alkynes: Structure, Bonding, and Nomenclature View
4
How many π bonds are present in a carbon-carbon triple bond?
Alkynes: Structure, Bonding, and Nomenclature View
5
What is the general molecular formula for alkynes?
Alkynes: Structure, Bonding, and Nomenclature View
6
Which of the following is a terminal alkyne?
Alkynes: Structure, Bonding, and Nomenclature View
7
What is the IUPAC name for CH3CH2C≡CH?
Alkynes: Structure, Bonding, and Nomenclature View
8
What is the common name for ethyne?
Alkynes: Structure, Bonding, and Nomenclature View
9
Why is the C-H bond of a terminal alkyne more acidic than the C-H bond of an al…
Alkynes: Structure, Bonding, and Nomenclature View
10
What is the bond angle around each carbon in an alkyne?
Alkynes: Structure, Bonding, and Nomenclature View
11
Which of the following reagents is used to test for terminal alkynes by forming…
Alkynes: Structure, Bonding, and Nomenclature View
12
What is the product when calcium carbide (CaC2) reacts with water?
Alkynes: Structure, Bonding, and Nomenclature View
13
What type of isomerism exists between 1-butyne and 2-butyne?
Alkynes: Structure, Bonding, and Nomenclature View
14
Which of the following is a proper IUPAC name for an alkyne?
Alkynes: Structure, Bonding, and Nomenclature View
15
What is the pKa range of a terminal alkyne (e.g., ethyne)?
Alkynes: Structure, Bonding, and Nomenclature View
16
What is the product when 1-butyne is treated with NaNH2 in liquid NH3?
Alkynes: Structure, Bonding, and Nomenclature View
17
Which of the following reactions allows the synthesis of an internal alkyne fro…
Alkynes: Structure, Bonding, and Nomenclature View
18
What is the product when an internal alkyne is reduced with sodium in liquid am…
Alkynes: Structure, Bonding, and Nomenclature View
19
How many equivalents of H2 are required to fully hydrogenate an alkyne to an al…
Alkynes: Structure, Bonding, and Nomenclature View
20
What is the product of ozonolysis (O3 followed by H2O) of 2-butyne (CH3C≡CCH3)?
Alkynes: Structure, Bonding, and Nomenclature View
21
Why do alkynes react with bromine (Br2) but alkanes do not under normal conditi…
Alkynes: Structure, Bonding, and Nomenclature View
22
What is the product when propyne (CH3C≡CH) reacts with one equivalent of HBr?
Alkynes: Structure, Bonding, and Nomenclature View
23
Which of the following bases is strong enough to deprotonate a terminal alkyne …
Alkynes: Structure, Bonding, and Nomenclature View
24
What is the common name for propyne?
Alkynes: Structure, Bonding, and Nomenclature View
25
What type of hybridization change occurs when an alkyne is hydrogenated to an a…
Alkynes: Structure, Bonding, and Nomenclature View
26
What is the product of the reaction of sodium acetylide (HC≡CNa) with 1-bromopr…
Alkynes: Structure, Bonding, and Nomenclature View
27
Which of the following alkynes is also known as dimethylacetylene?
Alkynes: Structure, Bonding, and Nomenclature View
28
What is the correct name for CH₂Cl₂?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
29
What is the product when 2-butyne is treated with excess Br2?
Alkynes: Structure, Bonding, and Nomenclature View
30
Which of the following is a valid method to prepare an alkyne from a vicinal di…
Alkynes: Structure, Bonding, and Nomenclature View
31
What is the product of the reaction of ethylmagnesium bromide (CH3CH2MgBr) with…
Alkynes: Structure, Bonding, and Nomenclature View
32
What is the IUPAC name for HC≡C-CH2-CH3?
Alkynes: Structure, Bonding, and Nomenclature View
33
Why are internal alkynes generally more stable than terminal alkynes?
Alkynes: Structure, Bonding, and Nomenclature View
34
What is the product when a terminal alkyne is treated with Cu2Cl2 in NH4OH?
Alkynes: Structure, Bonding, and Nomenclature View
35
What is the molecular formula of a cyclic alkyne with 5 carbons?
Alkynes: Structure, Bonding, and Nomenclature View
36
Which of the following reactions is used to synthesize higher alkynes from lowe…
Alkynes: Structure, Bonding, and Nomenclature View
37
What is the boiling point trend of alkynes compared to alkanes of similar molec…
Alkynes: Structure, Bonding, and Nomenclature View
38
What is the common name for HC≡C-CH2-CH2-CH3?
Alkynes: Structure, Bonding, and Nomenclature View
39
What is the product of the reaction of 2-butyne with H2/Lindlar's catalyst?
Alkynes: Structure, Bonding, and Nomenclature View
40
What type of compound is formed when an alkyne undergoes ozonolysis with reduct…
Alkynes: Structure, Bonding, and Nomenclature View
41
What is the key difference in reactivity between terminal and internal alkynes …
Alkynes: Structure, Bonding, and Nomenclature View
42
What is the pKa of water compared to a terminal alkyne?
Alkynes: Structure, Bonding, and Nomenclature View
43
What is the major product of the addition of one equivalent of HCl to propyne?
Alkynes: Structure, Bonding, and Nomenclature View
44
What is the major product when 2-butyne is hydrated with HgSO4/H2SO4?
Alkynes: Structure, Bonding, and Nomenclature View
45
Which of the following is a test for unsaturation that alkynes fail to pass?
Alkynes: Structure, Bonding, and Nomenclature View
46
What is the structure of a vicinal dihalide used to prepare an alkyne?
Alkynes: Structure, Bonding, and Nomenclature View
47
Which statement about the carbon-carbon triple bond is FALSE?
Alkynes: Structure, Bonding, and Nomenclature View
48
What is the IUPAC name for CH₃CH₂CH₂OH?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
49
Which functional group has the highest priority in IUPAC nomenclature?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
50
What is the IUPAC name for CH₃CH₂COOH?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
51
Which of the following is the correct IUPAC name for CH₃COCH₃?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
52
What is the IUPAC name for CH₃CH₂CH=CH₂?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
53
What is the suffix used for aldehydes in IUPAC nomenclature?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
54
What is the IUPAC name for CH₃COOCH₂CH₃?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
55
What is the correct order of functional group priority (highest to lowest) acco…
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
56
What is the general formula for an ether?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
57
What is the IUPAC name for CH₃OCH₃?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
58
Which functional group takes priority over an alcohol in IUPAC naming?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
59
What is the IUPAC name for the compound with a benzene ring and a carboxylic ac…
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
60
What is the prefix used for a nitrile group when it is not the highest priority…
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
61
What is the IUPAC name for CH₃CONH₂?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
62
What is the suffix for a ketone in IUPAC nomenclature?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
63
Which of the following is the correct name for CH₂=CH-CH₂-OH?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
64
In naming a compound with both an alcohol and an alkene, which gets the suffix?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
65
What is the IUPAC name for C₆H₅-OH?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
66
Which of the following is a terminal functional group?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
67
What is the IUPAC name for CH₃CH₂CH₂CH₂NH₂?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
68
What is the correct name for the ester formed from methanol and butanoic acid?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
69
What is the priority order when both an aldehyde and a ketone are present?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
70
Which of the following is NOT a valid IUPAC suffix?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
71
What is the correct name for CH₃CH₂OCH₂CH₃?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
72
In IUPAC naming, what does the suffix '-oate' indicate?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
73
What is the common name for ethanoic acid?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
74
What is the common name for methanal?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
75
In the compound 2-carboxybenzaldehyde, which group is the suffix?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
76
What is the prefix for a ketone when it is not the highest priority functional …
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
77
What is the IUPAC name for C₆H₅CH₂OH?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
78
In naming a compound with both a double bond and a triple bond, which suffix co…
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
79
What is the correct IUPAC name for (CH₃)₃C-OH?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
80
What does the prefix 'methoxy-' indicate?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
81
What is the correct name for the amide CH₃CH₂CONHCH₃?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
82
Which functional group has the lowest priority in IUPAC nomenclature?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
83
What is the IUPAC name for the compound with a -CN group attached directly to a…
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
84
What is the correct IUPAC name for CH₃CH(CH₃)CH₂OH?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
85
What is the prefix for an aldehyde when it is not the highest priority function…
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
86
What is the IUPAC name for the ether CH₃OCH₂CH₃?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
87
Which of the following compounds is an alkyne?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
88
What is the correct name for the compound HOCH₂CH₂OH?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
89
What is the IUPAC name for acetic anhydride?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
90
In the compound 4-aminobenzoic acid, which group is the substituent (prefix)?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
91
What is the correct IUPAC name for the compound (CH₃)₂C=CH₂?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
92
What is the functional group in an amide?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
93
What is the IUPAC name for the compound with the structure CH₃CH₂CH₂-COOCH₃?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
94
Which of the following functional groups is always terminal?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
95
What is the IUPAC name for the ester formed from propanoic acid and ethanol?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
96
What does the prefix 'carboxy-' indicate?
IUPAC Nomenclature and Functional Group Classes of Organic Compounds View
97
Which of the following is not an electrophile?
Practice Questions View
98
What orbitals overlap to create the H–C bond in CH3+?
Practice Questions View
99
The stronger the acid .
Practice Questions View
100
Which of the following is the strongest acid?
Practice Questions View