Amines and Nitrogen Compounds - One Line Questions
1.
The Sandmeyer reaction is used to replace the diazonium group (-N2+) with: —
-Cl, -Br, or -CN
2.
Which functional group characterizes an amine? —
-NH2 (amino)
3.
Which of the following is a key intermediate in the Hofmann rearrangement? —
An isocyanate
4.
The basicity of amines is due to the presence of: —
A lone pair of electrons on nitrogen
5.
The compound CH3CON(CH3)2 is classified as: —
A tertiary amide
6.
Amines are generally considered to be: —
Bases
7.
Secondary amines react with nitrous acid to form: —
Nitrosoamines
8.
Diazonium salts are important intermediates in the synthesis of: —
Azo dyes
9.
Which of the following is a positively charged nitrogen-containing species? —
Ammonium ion
10.
The Schotten-Baumann reaction is used for the synthesis of: —
Amides
11.
Which of the following amines is the strongest base? —
Dimethylamine
12.
What is the product when a primary amine reacts with nitrous acid (HNO2)? —
An alcohol and nitrogen gas
13.
Hydrolysis of an amide under acidic conditions yields: —
A carboxylic acid and an ammonium salt
14.
Hydrolysis of an amide under basic conditions yields: —
A carboxylate salt and an amine
15.
The reaction of a primary amine with an acyl halide or acid anhydride produces: —
An amide
16.
What is the product of the reduction of nitrobenzene using tin and HCl? —
Aniline
17.
What is the name of the compound C6H5N=NC6H5? —
Azobenzene
18.
The Skraup synthesis is a method for preparing: —
Quinolines
19.
What is the primary product when aniline reacts with bromine water? —
2,4,6-Tribromoaniline
20.
Pyridine is a heterocyclic compound with the formula: —
C5H5N
21.
Which of the following is a nitroalkane? —
CH3NO2
22.
What is the name of the compound formed by the reaction of ammonia with methyl iodide? —
Methylammonium iodide
23.
Nylon is a polymer that contains: —
Amide linkages
24.
What is the IUPAC name for CH3NH2? —
Methanamine
25.
Which reagent is typically used for the diazotization of primary aromatic amines? —
HCl and NaNO2
26.
Which reaction involves the conversion of a primary amine to an alcohol with loss of nitrogen? —
Diazotization followed by hydrolysis
27.
The conversion of an alkene to an amine can be achieved by: —
Hydroamination
28.
In aqueous solution, amines react with water to form: —
Ammonium ions and hydroxide ions
29.
Amines are derivatives of which parent compound? —
Ammonia
30.
Amides are generally: —
Less basic than amines
31.
Tertiary aliphatic amines react with nitrous acid to form: —
Salts
32.
The Hofmann rearrangement converts an amide into a primary amine with the loss of: —
One carbon atom
33.
The term 'nitrogen compounds' in organic chemistry broadly refers to compounds containing: —
Nitrogen bonded to at least one carbon atom
34.
Aromatic amines can be prepared by the reduction of: —
Nitroarenes
35.
Classify CH3NHCH3 as an amine. —
Secondary amine
36.
Which type of amine has three organic substituents attached to the nitrogen atom? —
Tertiary amine
37.
Which type of amine is formed when ammonia reacts with two equivalents of an alkyl halide? —
Secondary amine
38.
Which type of amine can form hydrogen bonds with both donor and acceptor capabilities? —
Primary amine
39.
The reduction of nitroalkanes can produce: —
Primary amines
40.
What is the IUPAC name for (CH3)3N? —
Trimethylamine
41.
Which of the following is NOT an amine? —
Pyrrole
42.
The structure of an amide functional group is: —
R-CO-NR'R''
43.
Which of the following is a common method for synthesizing secondary and tertiary amines? —
Alkylation of ammonia
44.
A quaternary ammonium salt has the general formula: —
R4N+ X-
45.
The Gabriel synthesis is a method used to prepare: —
Primary amines
46.
Nitroalkanes can be prepared by the reaction of alkyl halides with: —
Silver nitrite
47.
In pyridine, the nitrogen atom is: —
sp2 hybridized and basic
48.
What is the characteristic odor of many low molecular weight amines? —
Fishy
49.
The decreasing order of basicity for aliphatic amines in aqueous solution is generally: —
Secondary > Primary > Tertiary > Ammonia
50.
What is the common name for the simplest aromatic amine, C6H5NH2? —
Aniline