Draw plausible Lewis structures for a. monomethylhydrazine, C H 2 ( N H ) N H 2 ; b. dimethylhydrazine ( C H 2 ) 2 N N H 2 ; c. dinitrogen tetroxide, N 2 O 4 . d. phosphoric acid, H 2 P O 4 . e. nitryl chloride, C I N O 2 (N is the central atom).
Draw plausible Lewis structures for a. monomethylhydrazine, C H 2 ( N H ) N H 2 ; b. dimethylhydrazine ( C H 2 ) 2 N N H 2 ; c. dinitrogen tetroxide, N 2 O 4 . d. phosphoric acid, H 2 P O 4 . e. nitryl chloride, C I N O 2 (N is the central atom).
Solution Summary: The author explains the Lewis structure of monomethylhydrazine, which shows all bonded atoms with their chemical bonds and lone pairs.
Draw plausible Lewis structures for a. monomethylhydrazine,
C
H
2
(
N
H
)
N
H
2
; b. dimethylhydrazine
(
C
H
2
)
2
N
N
H
2
; c. dinitrogen tetroxide,
N
2
O
4
. d. phosphoric acid,
H
2
P
O
4
. e. nitryl chloride,
C
I
N
O
2
(N is the central atom).
16. The proton NMR spectral information shown in this problem is for a compound with formula
CioH,N. Expansions are shown for the region from 8.7 to 7.0 ppm. The normal carbon-13 spec-
tral results, including DEPT-135 and DEPT-90 results, are tabulated:
7
J
Normal Carbon
DEPT-135
DEPT-90
19 ppm
Positive
No peak
122
Positive
Positive
cus
и
124
Positive
Positive
126
Positive
Positive
128
No peak
No peak
4°
129
Positive
Positive
130
Positive
Positive
(144
No peak
No peak
148
No peak
No peak
150
Positive
Positive
してし
3. Propose a synthesis for the following transformation. Do not draw an arrow-pushing
mechanism below, but make sure to draw the product of each proposed step (3 points).
+ En
CN
CN
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Chapter 22 Solutions
General Chemistry: Principles And Modern Applications Plus Mastering Chemistry With Pearson Etext -- Access Card Package (11th Edition)
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