
N containing compounds and Basicity
Presentation
•
Chemistry
•
9th Grade
•
Medium
Marsha Grant-Gibson
Used 3+ times
FREE Resource
16 Slides • 12 Questions
1
2
3
4
5
Multiple Choice
Which Nitrogen containing compound is the most basic?
Diethylamine
Methylamine
Ammonia
Aniline
6
Multiple Choice
Which of the compounds is most basic?
ammonia
ethylamine
p-bromoaniline
imidazole
7
8
9
Multiple Choice
Use your knowledge of inductive effects and basicity of amines to identify the compounds which are more basic than ammonia.
None are more basic than ammonia.
C only
B and C only
A, B and C
10
11
Multiple Choice
Which statement is correct?
A is more basic because the the lone pair is more available for donation due to the 1 group with +I.
A is more basic because the the lone pair is least available for donation due to the 1 group with +I.
B is more basic because the the lone pair is more available for donation due to the 2 groups with +I.
B is more basic because the the lone pair is more available for donation due to the 2 groups with -I.
12
13
Multiple Choice
Which amine is the least basic?
A
B
C
D
14
15
Multiple Choice
Which of the amines are less basic than ammonia?
Q, R and S only
R and S only
T only
All
16
Multiple Choice
List amines in order from least basic to most basic.
N L M
M L N
L M N
N M L
17
18
19
Multiple Choice
Which is the least basic?
Q
R
S
T
20
21
22
23
Multiple Choice
Which amine has the lone pair on the N atom, most available for donation to a proton?
A
B
C
A and B
24
Multiple Choice
Place in order of increasing basic strength (most basic last).
A B C
A C B
B C A
C A B
25
-NO2 has a –I so it draws e- density towards itself therefore lone pair is less available for donation than in C
-CH3 has a +I so it pushes e- density away from itself therefore lone pair is more available for donation than in C
26
Multiple Choice
Which amine has the lone pair on the N atom, most available for donation to a proton?
X
Y
Z
X and Y
27
Multiple Choice
Place in order of increasing basic strength (most basic last).
Y X Z
Y Z X
X Z Y
Z X Y
28
Increasing electronegativity increases the –I in the molecule making the lone pair less available for donation.
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